Fix typo in nova_admin_username

The last parameter is unneeded, the value is always
set to "nova".

Change-Id: I7167d3559e8dfdb51ac8264e274f7ba167c18dfe
Use nova bindir of /usr/bin on SUSE

Similar to Fedora pip on SUSE installs things into /usr/bin by default.

Change-Id: I73a71288915b99d553ebe9d8e17ac7abef451a60
Merge "Use nova bindir of /usr/bin on SUSE"
Merge "Fix typo in nova_admin_username"
Merge commit 'refs/changes/83/86083/1' of git://gold.eng.hq.xensource.com/git/github/openstack-dev/devstack into tmpbranch