LIbrary, that allows adding icon for AppCompatButton

Available properties:

• [ib_iconSrc] - path for drawable image

• [ib_iconAlign] - alignment for icon

  [left] - left side of button

  [left_of_title] - to left of button title

  [right] - right side of button

  [right_of_title] - to right of button title

• [ib_iconPadding] - use this for padding between icon and title

• [ib_iconSize] - size of icon (width and height are the same)

• [ib_iconColor] - tint color for icon

• [ib_textAllCaps] - use this instead of app:textAllCaps and android:textAllCaps !!!