Transform Quotas 'inf' to 'No Limit'

We should transform 'inf' into a friendlier string, and make them translatable.

Change-Id: Ib5d0b01a44d6e33b64fdfbcf19372a5a73e60528
Fixes: bug #1250945
Use === and !== instead of == and != in JavaScript.

Fix JavaScript code style to not generate JSHint warnings about the
equality operator.

Change-Id: I1f9f279272e2960eafbaa84aa0ecc7b3b6871775
Implements: blueprint js-coding-style-checks
Role name should not be translated in Domain Groups dialog

Role names are retrieved from keystone and they should be displayed
as-is.

Change-Id: I62f9cb5582090e197fe2b7b434107dc801864571
Closes-Bug: #1255004
Merge "Transform Quotas 'inf' to 'No Limit'"
Merge "Use === and !== instead of == and != in JavaScript."
Merge "Role name should not be translated in Domain Groups dialog"