Loading course statistisc async in background
Fetchers returns a Future that will complete when all stats are loaded
Handles that the data has not been loaded yet after loggin.

Needs cleanup
Added ExamParser
Intelligent saving of course statistics charts implemented.
Minor updates.
A few things commented out to allow compilation.
ExamParser should work now
Merge remote-tracking branch 'origin/async' into async

Conflicts:
	src/dk/emhermunk/CredentialsManager.java
	src/dk/emhermunk/io/fetcher/CN1ResultFetcher.java
	src/dk/emhermunk/parser/ExamParser.java
	src/userclasses/StateMachine.java
Complaint with CN1 build
ExamFetching added to Fetchers
It is possible to persist exam subscriptions
CourseParser is up and running
CourseParser is CN1 compliant
CourseCollection & CourseSubscription can now be persisted!
Course and exam info added to GUI. Line breaking nok working properly.
Proof of concept KursusKatalog link generator
Merge remote-tracking branch 'origin/async' into async
Final version of the Kursus katalog implementation
Course and exam info added to GUI. Line breaking nok working properly.