[ImgBot] Optimize images - #1

*Total -- 6,300.16kb -> 4,846.70kb (23.07%)
/slides/201307_slides/pics/excel_default.png -- 11.09kb -> 3.03kb (72.72%)
/slides/pics/excel_default.png -- 11.09kb -> 3.03kb (72.72%)
/slides/201307_slides/pics/ex_facet/grid_xy.png -- 38.08kb -> 12.27kb (67.78%)
/slides/201307_slides/pics/ex_facet/wrap_42.png -- 37.32kb -> 12.53kb (66.41%)
/slides/r-fig/basic_line_point.png -- 15.76kb -> 5.38kb (65.84%)
/slides/201307_slides/pics/chibird_happy.png -- 23.61kb -> 8.19kb (65.31%)
/slides/pics/chibird/happy.png -- 23.61kb -> 8.19kb (65.31%)
/slides/201307_slides/pics/R_ggplot2.png -- 13.83kb -> 4.84kb (64.97%)
/slides/201307_slides/pics/ex_quick/scatter_ggplot.png -- 17.55kb -> 6.17kb (64.86%)
/slides/r-fig/basic_scatter_gg.png -- 15.22kb -> 5.36kb (64.78%)
/slides/201307_slides/pics/ex_facet/grid_y.png -- 18.65kb -> 6.65kb (64.38%)
/slides/201307_slides/pics/ex_quick/fnt_self_ggplot.png -- 19.13kb -> 6.86kb (64.14%)
/slides/201307_slides/pics/ex_quick/hist_ggplot.png -- 10.82kb -> 3.94kb (63.61%)
/slides/201307_slides/pics/ex_quick/bar_count_ggplot.png -- 10.58kb -> 3.87kb (63.45%)
/slides/201307_slides/pics/ex_line/basic_ylim.png -- 17.94kb -> 6.56kb (63.44%)
/slides/201307_slides/pics/ex_quick/bar_ggplot.png -- 12.55kb -> 4.59kb (63.42%)
/slides/r-fig/basic_bar_orig.png -- 11.27kb -> 4.15kb (63.16%)
/slides/201307_slides/pics/ex_line/basic_log.png -- 21.09kb -> 7.86kb (62.74%)
/slides/r-fig/basic_scatter_bt.png -- 18.96kb -> 7.08kb (62.65%)
/slides/r-fig/basic_bar_factor.png -- 12.61kb -> 4.71kb (62.61%)
/slides/201307_slides/pics/ex_quick/line_ggplot.png -- 19.78kb -> 7.40kb (62.6%)
/slides/r-fig/basic_line_line.png -- 18.26kb -> 6.88kb (62.33%)
/slides/201307_slides/pics/ex_facet/grid_x.png -- 18.21kb -> 6.91kb (62.05%)
/slides/r-fig/basic_bar_count.png -- 10.44kb -> 4.00kb (61.7%)
/slides/r-fig/basic_bar_count_theme.png -- 10.51kb -> 4.03kb (61.68%)
/slides/201307_slides/pics/ex_quick/box_group_ggplot.png -- 13.78kb -> 5.36kb (61.1%)
/slides/201307_slides/pics/ex_quick/box_ggplot.png -- 7.59kb -> 3.06kb (59.73%)
/slides/r-fig/stack_bar.png -- 22.71kb -> 9.74kb (57.12%)
/slides/201307_slides/pics/ex_edu/twPT_area_grey.png -- 34.34kb -> 15.00kb (56.31%)
/slides/201307_slides/pics/ex_quick/bar_basic.png -- 10.09kb -> 4.63kb (54.12%)
/slides/201307_slides/pics/ex_bar/stack_basic.png -- 13.63kb -> 6.45kb (52.69%)
/slides/201307_slides/pics/ex_quick/bar_count_basic.png -- 10.43kb -> 4.96kb (52.47%)
/slides/201307_slides/pics/ex_quick/fnt_basic.png -- 16.46kb -> 7.85kb (52.3%)
/slides/201307_slides/pics/ex_quick/box_basic.png -- 8.60kb -> 4.16kb (51.66%)
/slides/201307_slides/pics/ex_quick/box_group_basic.png -- 12.99kb -> 6.35kb (51.12%)
/slides/201307_slides/pics/ex_quick/scatter_basic.png -- 19.22kb -> 9.54kb (50.38%)
/slides/201307_slides/pics/ex_quick/hist_basic.png -- 17.33kb -> 8.91kb (48.61%)
/slides/201307_slides/pics/ex_quick/line_basic.png -- 22.67kb -> 11.77kb (48.08%)
/slides/201307_slides/pics/R_basic.png -- 17.14kb -> 8.95kb (47.78%)
/slides/201307_slides/pics/ex_bar/group_group.png -- 10.54kb -> 5.73kb (45.68%)
/slides/201307_slides/pics/ex_bar/fill_aes_fill.png -- 9.37kb -> 5.53kb (41%)
/slides/201307_slides/pics/ex_edu/college_dist_dodge.png -- 24.93kb -> 16.29kb (34.66%)
/slides/r-fig/data_process_raw.png -- 255.41kb -> 168.61kb (33.98%)
/slides/201307_slides/pics/ex_quick/fnt_self_basic.png -- 24.67kb -> 16.33kb (33.79%)
/slides/r-fig/data_process_csv.png -- 129.29kb -> 85.70kb (33.72%)
/slides/201307_slides/pics/ex_edu/college_dist_percent.png -- 25.64kb -> 17.19kb (32.96%)
/slides/201307_slides/pics/ex_edu/twPT_stack_label.png -- 55.90kb -> 39.58kb (29.19%)
/slides/r-fig/ase_scatter_factor.png -- 23.50kb -> 16.72kb (28.85%)
/slides/201307_slides/pics/ex_line/group_manual.png -- 23.86kb -> 17.04kb (28.58%)
/slides/201307_slides/pics/ex_line/style_line.png -- 19.84kb -> 14.38kb (27.52%)
/slides/201307_slides/pics/ex_edu/college_dist_stack.png -- 54.99kb -> 39.94kb (27.36%)
/slides/201307_slides/pics/ex_edu/twPT_stack_percent.png -- 23.68kb -> 17.37kb (26.63%)
/slides/r-fig/aes_scatter_param.png -- 19.47kb -> 14.35kb (26.28%)
/slides/r-fig/aes_scatter_scale.png -- 23.25kb -> 17.26kb (25.76%)
/slides/r-fig/aes_scatter_combined.png -- 26.12kb -> 19.41kb (25.7%)
/slides/201307_slides/pics/ex_edu/twPT_area_custom.png -- 65.16kb -> 48.47kb (25.62%)
/slides/201307_slides/pics/ex_edu/twPT_area_percent_custom.png -- 60.14kb -> 44.87kb (25.39%)
/slides/201307_slides/pics/ex_bar/coloring_manual.png -- 22.23kb -> 16.64kb (25.14%)
/slides/201307_slides/pics/ex_bar/stack_percent.png -- 15.65kb -> 11.80kb (24.61%)
/slides/201307_slides/pics/ex_line/group_dodge.png -- 23.62kb -> 17.81kb (24.6%)
/slides/r-fig/aes_scatter_color.png -- 19.99kb -> 15.12kb (24.37%)
/slides/r-fig/aes_bar_combined.png -- 13.50kb -> 10.31kb (23.64%)
/slides/201307_slides/pics/ex_edu/twPT_line_default.png -- 73.36kb -> 56.12kb (23.49%)
/slides/201307_slides/pics/TWPT_raw.png -- 221.90kb -> 169.96kb (23.41%)
/slides/201307_slides/pics/ex_line/style_point.png -- 22.33kb -> 17.20kb (22.98%)
/slides/201307_slides/pics/ex_edu/twPT_line_customarea.png -- 53.28kb -> 41.32kb (22.44%)
/slides/201307_slides/pics/ex_edu/twPT_area_default.png -- 53.42kb -> 41.47kb (22.37%)
/slides/201307_slides/pics/google_ggplot2.png -- 517.43kb -> 408.95kb (20.97%)
/slides/pics/google_ggplot2.png -- 517.43kb -> 408.95kb (20.97%)
/slides/201307_slides/pics/twCD_raw.png -- 121.49kb -> 96.12kb (20.88%)
/slides/201307_slides/pics/ex_edu/twPT_bar_blues.png -- 20.17kb -> 16.17kb (19.82%)
/slides/201307_slides/pics/ex_edu/twPT_area_blues.png -- 57.37kb -> 46.01kb (19.8%)
/slides/pics/google_excel.png -- 295.59kb -> 237.20kb (19.76%)
/slides/201307_slides/pics/google_excel.png -- 295.59kb -> 237.20kb (19.76%)
/slides/201307_slides/pics/ex_edu/twPT_bar_custom.png -- 20.04kb -> 16.14kb (19.48%)
/slides/201307_slides/pics/chibird_wrong.gif -- 199.24kb -> 160.47kb (19.46%)
/slides/201307_slides/pics/matlab_default.gif -- 8.36kb -> 6.75kb (19.21%)
/slides/pics/matlab_default.gif -- 8.36kb -> 6.75kb (19.21%)
/slides/201307_slides/pics/ex_line/stack_basic.png -- 49.33kb -> 40.20kb (18.51%)
/slides/pics/google_matlab.png -- 259.42kb -> 213.89kb (17.55%)
/slides/201307_slides/pics/google_matlab.png -- 259.42kb -> 213.89kb (17.55%)
/slides/201307_slides/pics/ex_line/stack_desc.png -- 49.86kb -> 41.18kb (17.41%)
/slides/201307_slides/pics/ex_bar/color_palette_3.png -- 10.22kb -> 8.47kb (17.13%)
/slides/201307_slides/pics/ex_line/area_line.png -- 36.26kb -> 30.09kb (17.03%)
/slides/201307_slides/pics/ex_line/area_area.png -- 36.15kb -> 30.02kb (16.96%)
/slides/201307_slides/pics/ex_bar/fill_aes_color.png -- 10.58kb -> 8.83kb (16.62%)
/slides/201307_slides/pics/ex_bar/color_palette_2.png -- 10.06kb -> 8.41kb (16.4%)
/slides/201307_slides/pics/ex_bar/color_palette_1.png -- 10.05kb -> 8.42kb (16.23%)
/slides/pics/twR_logo.png -- 116.97kb -> 98.10kb (16.13%)
/slides/201307_slides/pics/ex_bar/group_interaction.png -- 12.50kb -> 10.51kb (15.89%)
/slides/201307_slides/pics/ex_bar/fill_single.png -- 10.36kb -> 8.79kb (15.14%)
/slides/201307_slides/pics/chibird_alot_work.jpg -- 43.64kb -> 37.93kb (13.1%)
/slides/lib/shower/themes/bright/pictures/wide.png -- 4.50kb -> 3.94kb (12.53%)
/slides/201307_slides/pics/R_graphics.jpg -- 19.85kb -> 17.42kb (12.22%)
/slides/lib/shower/themes/ribbon/pictures/wide.png -- 4.51kb -> 3.96kb (12.18%)
/slides/201307_slides/pics/chibird_end.jpg -- 18.58kb -> 16.34kb (12.09%)
/slides/pics/R_cookbook.jpg -- 52.42kb -> 46.42kb (11.46%)
/slides/201307_slides/pics/R_cookbook.jpg -- 52.42kb -> 46.42kb (11.46%)
/slides/201307_slides/pics/R_graphics_cookbook.jpg -- 56.25kb -> 50.11kb (10.92%)
/slides/pics/R_graphics_cookbook.jpg -- 56.25kb -> 50.11kb (10.92%)
/slides/lib/shower/themes/bright/pictures/tall.png -- 4.99kb -> 4.48kb (10.22%)
/slides/lib/shower/themes/ribbon/pictures/tall.png -- 5.00kb -> 4.52kb (9.57%)
/slides/201307_slides/pics/R_nutshell.jpg -- 147.53kb -> 134.45kb (8.87%)
/slides/pics/deadline.jpg -- 21.11kb -> 19.30kb (8.56%)
/slides/201307_slides/pics/deadline.jpg -- 21.11kb -> 19.30kb (8.56%)
/slides/lib/shower/themes/ribbon/images/grid-16x10.svg -- 0.76kb -> 0.70kb (8.3%)
/slides/lib/shower/themes/bright/images/grid-16x10.svg -- 0.77kb -> 0.70kb (8.28%)
/slides/lib/shower/themes/ribbon/images/grid-4x3.svg -- 0.84kb -> 0.78kb (7.98%)
/slides/lib/shower/themes/bright/images/grid-4x3.svg -- 0.85kb -> 0.78kb (7.96%)
/slides/201307_slides/pics/chibird_google.png -- 13.71kb -> 12.80kb (6.67%)
/slides/201307_slides/pics/TW_MinistryEdu.png -- 376.19kb -> 356.94kb (5.12%)
/slides/pics/deadline_eff.jpg -- 38.17kb -> 36.46kb (4.46%)
/slides/201307_slides/pics/deadline_eff.jpg -- 38.17kb -> 36.46kb (4.46%)
/slides/201307_slides/pics/chibird_expection.jpg -- 55.60kb -> 53.63kb (3.53%)
/slides/201307_slides/css/fonts/NewsCycle/NewsCycle-Regular-webfont.svg -- 42.58kb -> 41.14kb (3.39%)
/slides/201307_slides/lib/font/league_gothic-webfont.svg -- 46.07kb -> 44.69kb (2.98%)
/slides/201307_slides/pics/chibird_cram.jpg -- 63.54kb -> 61.76kb (2.81%)
/slides/lib/shower/themes/ribbon/images/ribbon.svg -- 0.11kb -> 0.10kb (2.78%)
/slides/lib/shower/themes/ribbon/images/progress.svg -- 0.13kb -> 0.13kb (2.27%)
/slides/201307_slides/css/fonts/Lato/Lato-Reg-webfont.svg -- 37.47kb -> 36.63kb (2.24%)
/slides/201307_slides/css/fonts/Lato/Lato-RegIta-webfont.svg -- 39.15kb -> 38.31kb (2.13%)
/slides/201307_slides/pics/chibird_work.jpg -- 45.64kb -> 44.80kb (1.83%)
Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>