Make Image Service image formats configurable

Allow configuration of the available image formats
for image creation (corresponds to a feature added
Glance).

Incidentally fixes a test issue where the domain_get
call wasn't being properly stubbed out.

Fixes bug 1216157

Change-Id: Ifc72915d34767ce83f9d85b92ddeae0c2c00b8c6
Fixing typos for Resource Usage page

- fixing few typos for resource usage page

NOTE: it needs to go in H3, not RC1 because I am
changing the translated strings.

Change-Id: Ib684424e4cfd4a2437fc53186d07bf977c18086c
Remove spaces from translatable strings

This patchset removes some unnesessary spaces form strings
in load balancers details pages that will be localized.

Fixes bug 1220686

Change-Id: I216394028876045ba29b5b7cc75ca2495c4a855c
Merge "Make Image Service image formats configurable"
Merge "Fixing typos for Resource Usage page"
Merge "Remove spaces from translatable strings"