Add functional tests for admin navigation bar and menus

issue #2273
- Check that menu nav items exist
- Check that menu nav items are labeled correctly
- Check that menu nav items have correct URLs
Added populate last login time

closes #2515
- sets last_login when user is saved if user status changed to active
- added integration test in user Basic Operations
Adding .bowerrc

If no .bowerrc file is found in the current folder it seems to lookup if one exists in parent folders. Thus, we need to use .bowerrc in order to avoid problems.
Merge pull request #2386 from manuelmitasch/add-bowerrc
Server start refactor, route tests use ghost app

closes #2442, issue #2182

- Server start refactored - messaging is just messaging, deferred resolves the httpserver so that the connection can be closed
- Updated travis config to set node env
- Updated example config to be less travis-specific
- Route tests updated to use this new functionality
- Grunt test-routes simplified
Merge pull request #2500 from ErisDS/issue-2442

[WIP] Server start refactor, route tests use ghost app
Merge pull request #2450 from jaswilli/issue-2273

Add functional tests for admin navigation bar and menus
Merge pull request #2516 from novaugust/last_login

Added populate last login time per #2515
Ghost footer outputs minified jquery

Closes #2524

- Added minifying jquery in grunt prod task

- Add test coverage for altered jquery

Signed-off-by: Joel Fischer <joeljfischer@gmail.com>
Development mode outputs full jquery

Signed-off-by: Joel Fischer <joeljfischer@gmail.com>
Add line-break to var declaration

Signed-off-by: Joel Fischer <joeljfischer@gmail.com>
Merge branch 'minify-jquery' of https://github.com/joeljfischer/Ghost into minify-jquery