Merge branch 'release/0.5.3' into develop
Elaborate that PhantomJS is the default and (at least for Karma) it is not the only configuration
Add ability to run server in test:code
Add lowercamelize to helpers
For manual testing, set up Mocha and Chai before loading app-related code
Add option in `test:code` to explicitly state browsers to run
Update documentation
Merge branch 'release/0.5.4'