"Use of CurrentWeek"-Update

config.js
=========

- globalized currentWeek (moved to GLOBAL.DATE)
- added INIT-Flag for Timetable
- removed defaultCanteens Name, only ID needed for Settings.

fn.js
=====

- globalized getWeek Function (moved to fn.js)
- added JSDoc

index.html
==========

- added OnPageCreate-Event for Initialization (currentWeek)

mensa.html
==========

- changed Use of GLOBAL-Field for currentWeek
Merge branch 'master' of https://github.com/HTWK-App/Smartphone-App.git

Conflicts:
	www/js/config.js