added setSortStyle to commandcontroller
Preparing for merging
Merge branch 'staging' into ryan/controller
Merge branch 'staging' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
added up key to fill in last command in the inputfield
WARNING Tried to use ActionController

a lot of bugs
Merge branch 'staging' of github.com:cs2103aug2014-w13-1c/main into jin/gui
Merge pull request #145 from cs2103aug2014-w13-1c/jin/gui

Fix date labels, reversed default sorting order
Split CommandController and ActionController
Merge branch 'staging' into ryan/controller

Conflicts:
	src/app/controllers/CommandController.java
Changed show messages method to static method

To remove 2 copies of the methods (from both CommandController and
ActionController. So it's only available in CommandController only.
Added NLP for date parsing
Added checking for valid date input
Modified the checkDate logic

allowing dates to be before today's date
Update is now working properly
Added method to change save file location
Added uncomitted change from previous commit
Merge branch 'jin/gui' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
Merge branch 'ryan/controller' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
added libraries for nlp for intellij