Made TodoItem setters protected.
Added indexLabel, close #154
Merge branch 'staging' into dat/model
Merge pull request #155 from cs2103aug2014-w13-1c/jin/gui

Added indexLabel, close #154
Removed filtering capabilities from model. Passing filtering to TaskController.
Merge branch 'staging' into dat/model
Fix incorrect index
Merge pull request #157 from cs2103aug2014-w13-1c/jin/gui

Fix incorrect index
Fix model.md inconsistencies.
Merge branch 'staging' into dat/model
exposed setSortingStyle via taskcontroller, implemented getDisplayType and getSortingStyle
Merge remote-tracking branch 'origin/staging' into jolly/gui
Merge branch 'ryan/controller' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
Merge branch 'jin/gui' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
Merge branch 'dat/model' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
The task list now scrolls to, selects and focus the last modified task
Successfully passed savefile location string into commandcontroller, but no new watdo.json is created at the selected directory. Also, the new savefile location doesn't persist across app restarts.
Merge pull request #159 from cs2103aug2014-w13-1c/jin/gui

Automatic scrolling and half-implemented changing of the savefile location.
Fixed savefile location, testing notification panes out
Removed all notification pane stuff since they don't work yet