Adding support for Rest Service creation: 'slot create add -r find'
Adding support for Rest Service creation using full-path: 'slot create add -r store/clients'
Adding new options to 'slot start' command:
	-s, --design   Start the designer server on current slot project
	-d, --develop  Start the development server on current slot project
	-a, --all      Start designer and development server on current slot project