clearing demo files
added FOSRest and jsm serializer
composer updated
added fos and jms bundles to appkernel
added jms and fos to config yml
added rest api bundle routes to routes yml
deleted not used routings
added restapibundle
added users rest api conf to routes yml
added entity yml using doctrine
added user entity
added usertype form
added default view to test rest api
added default controller to test rest api routes
added user controller to manage rest api routing for users
added readme