Added ability to put a few multiselectors on one page
Fixed an error 'objectAdded/objectRemoved is not a function'
Removed unused function 'getAllMatches(searchString)' from contact services
Refactored contact services
#79: Re-vamp the multiselector demo page in order to prepare for the proper public 'launch'
#79: Added styles to demo page
#79: Added intro and help copy writing