Removed 2 sec pause

refs #2660
- removed timeout from routes tests (since Ghost is used as module it
is restarted before logging in)
- Casper.js does only one login and the existing waits are executed
after testing login limiters
- gain: 8 sec :-/
Merge pull request #2662 from sebgie/issue#2660

Removed 2 sec pause
Move user API to primary document format

closes #2593

- added new format to user API methods
- updated tests
- little bit of cleanup in utils/api
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