Schdule.getWeeks created

WeekBascet constuctor and Schedule.getweeks created, returns weekbascet
array with sorted weeks
Function toICS created

toICS created with possibility to divide into multiple files
Merge pull request #11 from Kirens/ICS

Analysis + ICS parser created
Minor edit

Corrected week range and moved schdule variable to global scope
Merge branch 'master' into APIify

Resolve conflict in next commit
Conflicts:
	js/NOVAXML.js
Conflict resolved
Minor adjustments

Added license to files, fixed phpProxy, minor changes in NOVAXML.js