Refactored Main's start method and extracted methods out
missing space
Refactored TaskListCellController -> TaskListCellViewController
Refactored SidebarController -> SidebarViewController
Refactored SettingsController -> SettingsViewController
Refactored HelpController -> HelpViewController
Moved all ViewControllers from the app.controllers package into app.viewcontrollers package
Project-wide refactoring of ViewController -> ViewManager
Suffixing views with -View
Merge pull request #113 from cs2103aug2014-w13-1c/jin/gui

Refactored ViewControllers -> ViewManagers and Views