#closes #1655
- removed models as parameter for bookshelf-session
- changed to read permittedAttributes from schema.js
- changed updateTags to be executed at saved event
- added validate to execute after saving event
- added test for published_at = null (see #2015)
- fixed typo in general.hbs
- changed cookieSession to session
- added session.regenerate for login and logout
- added bookshelf session store
- added session table to database
- added import for databaseVersion 001
- added grunt task test-api
- cleanup of gruntfile to start express when needed only
- moved api tests to functional tests