Adds example view controller to work with as root view
Adds view to hold developer menu
Adds ability to trigger developer menu with four finger swipe up on rootViewController
Tidied up file hierarchy
Adds view titles and removes references to nib files
Adds view titles and removes references to nib files
Merge branches 'develop' and 'develop' of github.com:MattCheetham/MDCDeveloperMenu into develop

Conflicts:
	DeveloperMenu/MDCDeveloperMenuViewController.m
Basic tableview setup
Adds method to convert any plist value to a string for display in a cell
Merge branch 'feature/plist_handling' into develop
Adds calculated cell height
Adds value convertor for use with plist pages
Moves plist browser to its own view and sets up main controller for additional items
Support for dictionaries and recursive browsing of arrays with only one value
Adds hacky support for nested browsing of dictionaries inside arrays
Merge branch 'feature/deep_browsing' into develop
Adds custom cell to display subtitle
Adds accessory view to cells that drill down. Also tidies up cell height
Merge branch 'feature/detail_cells' into develop
Basic model setup