Minor fixes to ModelUnits.
Testing sorting from TodoItemList.
Merge pull request #201 from cs2103aug2014-w13-1c/jin/gui

Fixed settingsView to show the current directory path at launch
Fixed ModelUnits
Model has support for randomColorsEnabled and notificationsEnabled now. Haven't tested yet.
Merge branch 'staging' into dat/model
Passed all ModelUnits tests. See model.md for details of randomColorsEnabled and notificationsEnabled.
fixed update not working with undo/redo

#202
Merge branch 'staging' of https://github.com/cs2103aug2014-w13-1c/main into jolly/gui
added error messages for undo/redo buttons
first character of command can no longer be a space

#198
more fixes for eliminating spaces as the first character in a command

now works with strings with lots of spaces at the front!
Rearranged the labels in taskListCell
Increased saturation for priority low
Basic title bar implementation