openSUSE fixes for Identity and Image setup

Based on testing on openSUSE

Also adds a \ to some commands so that you can copy & paste them

Use GLANCE_DBPASS consistently

Use for Identity service setup the same markup as for Image service.

Change-Id: I58c2365225d0c3cea4fa5c0f053340fd7efb56c4
Merge "openSUSE fixes for Identity and Image setup"