Made Calendar for scheduling and validation js added

Scheduling calendar and validation js made
Merge branch 'Build3' of https://github.com/pranjalnatu/Schedula-Build3 into Build3

Conflicts:

Schedula-build4/war/WEB-INF/appengine-generated/datastore-indexes-auto.x
ml
	Schedula-build4/war/WEB-INF/appengine-generated/local_db.bin
	Schedula-build4/war/css/stylesheet.css
	Schedula-build4/war/newAdvisor.jsp
	Schedula-build4/war/newstudent.jsp