Added few more tests for local course storage class
Some tests for projectStorage, fixed a bug where reader was never closed
Fixed a bug where reader was not closed in coursestorage.java
Added tests to projectstorage, modified project storage so that it handles invalid json and empty files better
Added json syntax exception handling to coursestorage
Test for project storage saving
Merge branch 'DEV' of github.com:tmc-eclipse/tmc-eclipse into DEV