Added classpath to support db
Updated unittest & logicstub for search, undo, help
Edited the comments in ControllerUnitTest #50
refactored code
Slight changes to error messages
updates test cases to reflect new error messages
Merge remote-tracking branch 'origin/ui/victor'
Merge remote-tracking branch 'origin/parser/Victor'
Merge remote-tracking branch 'origin/logic/wenhao'
Merge remote-tracking branch 'origin/logic/wenhao'
Merge remote-tracking branch 'origin/logic/wenhao'
Differentiated error msg for start and in the middle of run
Merge branch 'master' into controller/sharon
Changed processString to processCommand in response to changes in Controller method
Use controller singleton
Merge branch 'master' into test/system/sharon
Correct classpaths
Login to google calendar instead of getting the url
Update the message
Open the url in a browser