Fix swift example conf for keystoneauth changes

The previous swift proxy-server.conf example referred to
keystoneauth as it worked previous when it was coming from
the keystone repo. This patch changes it to match the sample
conf in the swift repo.

fixes bug 1092716

Change-Id: Ic658ef1c96a84cfc75698b9a7ef50d7724fd0ccb
Minor spelling fixes

Just some random spelling fixes

patch2 fixes a typo of my own

Change-Id: I018d0bfc25b104905a57bbae3baf75e07666f4af
Modify remove_unused_kernels text

This option was present in the docs but had the wrong default
value, and text that didn't match the code.

fixes bug 1153472

Typo fix (kernal > kernel) and some clarification on ramifications.

Change-Id: Id7f65cedc5da6526d4a5d4e969374d0b4e863b40
Merge "Modify remove_unused_kernels text"
Merge "Fix swift example conf for keystoneauth changes"
Merge "Minor spelling fixes"