Added some unit tests for AnalyticsServiceImpl.
Added the JLPT 4 deck.
Merge branch 'master' of https://github.com/lingolearn/lingolearn.git
Added auto text sizing functionality and cleaned up card view
Merge branch 'master' of github.com:lingolearn/lingolearn
Adding more JUnit tests.
Added more JUnit tests.
Added more JUnit tests.
Added more JUnit tests.
Removed Confuser option from SessionTypes enum, and changed 
corresponding classes that explicitly mentioned this enum value.

Added cleanup to AddAssignmentView / Presenter

#47
Added more JUnit tests.
added drop-down for selecting assignment from course view
Merge branch 'master' of https://github.com/lingolearn/lingolearn.git
Made a correction in the confuser logic to make sure quiz types
that don't support confusers get the correct type of wrong answers
(i.e. English, Kanji, etc.).

#47
Reworked course listing on course view
Removed unncessary AnalyticsService methods
changed the "deck complete" display to something more appropriate
disabling buttons at end of deck
Updated the confusers on the basis of feedback received during review.
Merge branch 'master' of https://github.com/lingolearn/lingolearn.git