Rename source_(group_id/ip_prefix) to remote_(group_id/ip_prefix)

Fixes bug 1144426

Change-Id: I3c5ac92f583ffce19f5ed38219d796bc6585e123
Add support for security group quotas

Fixes bug 1149286

Change-Id: I7db9416c00296dfefdbf8fef880154c05fa2445a
Fix a description of floatingip-id in (dis)associate commands

Fixes bug 1151328

Also makes positional parameters of Show/Update/Delete commands upper.

Change-Id: Ifc6b76954ad987379f765f346167bb73556034f1