init

working copy for Btech CSE 6th semester with some data in it.
primary key now always starts at 0 when resetting the table
removed timestamps from json representation
removed option of adding individual row in time table
trivial fix : redirect_to added after resetting table
changed some css
implemented shift left and shift down operations for fast insertion of data
trivial fix : renamed a label
added home controller, added some documentation about API and stuff
deleted default index.html