Avoid shutting off a paused VM instance

Currently, "Shut Off Instance" option is enabled even on a paused VM instance
which results in an error that says "Error: Unable to shut off instance".
With this commit, we are removing the option to shut off a paused VM instance.

Change-Id: I95da413a398632d9300333a4dbaf028b7c6a6f68
Closes-Bug: #1372620
Fixes KeyError in floating ip unit test

Patch 118478 introduced security group create buttons respecting quotas. This
unit test needs to have the security group quota available for quotas to
avoid the KeyError.

Change-Id: I3214fa1e383b9520ac2bb963e41d0163d45acd62
Closes-bug: 1381073
Fix E128 errors in horizon/

E128 continuation line under-indented for visual indent

Partial-Bug: #1375929
Change-Id: If4cc09995a74b68a6b037ea8999cebe09c750e65
Imported Translations from Transifex

Change-Id: I4405ba9daaf98d9e9bbcb7ee421dd4b1baec4ddd
Merge "Fixes KeyError in floating ip unit test"
Merge "Avoid shutting off a paused VM instance"
Merge "Imported Translations from Transifex"
Merge branch 'master' of https://github.com/openstack/horizon