Client based AAI authentication

- The AAI authentication is now client side.
- When the user sets a new account a welcome message is prompted in
  the Settings view.
- The cache settings have been disabled.
- Minor fixes applied.
- New cordova plugin: Phonegap-Cookies-Plugin
  this plugin is used to clear cookies and terminate the AAI
  authentication
- Config changed
- fileCacheDir is now named USI
Disabled the Journal search in the Library section

Right now the Journal search in the Library section because the
previously used webservice is not avabilable anymore.
Soon, a new mechanism is going to be provided.
Added an info panel in the Library view.
Added an info panel to the Mensa section
Bugfix: Spell check
Sport Activity fix: do not print null values

The null values were printed in the Sport Activity description.
The label.comback was missing.
Added a title in the Emergency section

The title is in bold and instructs the user to click on the number
entries below to activate the call.
Better localisation; removed trailing commas
Mensa url refresh mechanism fix

A timestamp as a url parameter has been added in order to force
the refresh. Just a caching issue.
Bugfix: hideLoadingMask after the alert message
Switched to two digits app versioning
Disable Online Backup (iCloud)

This commit disables online backup on files.
Spelling: Italian localisation