openstack/swift - swift - OpenDev: Free Software Needs Free Tools

Note that existing SAIOs with 60xx ports should still work fine.
Change-Id: If5dd79f926fa51a58b3a732b212b484a7e9f00db
Related-Change: Ie1c778b159792c8e259e2a54cb86051686ac9d18

$sudo service apache2 status ; was not listing swift-service
names correctly; with this change this is the output we see
http://paste.openstack.org/show/601822/
Change-Id: I11b17bcf8c206afaed51bd27090cdf3108f7aee2
Closes-Bug: #1665156 

This is a common configuration option and allows devstack (and others)
to configure a mod_wsgi user to run the daemon process.
Change-Id: Idf134b3bc6b08e3c3a80dde8830d5a4f3da5a06c
Fixes: bug 1226346

This patch is needed in 1.9 as a dependency for adding swift/apache
to devstack.
zhang-hare is working in parallel on a devstack patch that depend
on this patch.
As part of this patch we add examples dir.
In this dir we add template config files that can be used either by
a script (as will be done by devstack) or serve a an example to the
admin.
Apache2 vhost files were added under examples/apache2
Wsgi files were added under examples/wsgi
Fixes: Bug #1191388
Change-Id: If90e38a0ba36f6b59016d4a1374f4100f0bbee7b