Added REST API end point to start a TwitterBot and also to fetch feed from database.

Signed-off-by: Natraj Kaushik <natraj.iitb@gmail.com>
Merge branch 'master' of https://github.com/alexstelea/Aggie2.0

Conflicts:
	app.js

Signed-off-by: Natraj Kaushik <natraj.iitb@gmail.com>