Added MongoDB provision
Changed so that apt-get update only runs in the setup step. sohuld speed up
Added mongodb provisioning
Installing pip now checks if pip is installed, speeds up provisioning. Added pymongo to requirments/common.txt
No password or user for mongodb
Made classes in utils.py and started using them in create_covoting_matrix.py
Changed the MongoUtil class into a DataStore class
Changed to incorporate classes in utils
Wrapped up the datastore. Now works with independent objects. ORM objects do not work
Changed to work with new mongodb datastore
Merge branch 'develop' of https://github.com/joelgoop/demokratikollen into mongodb-datastore
Added explanation for the datastore
Fixed all dependencies on old utils.py
Merge branch 'develop' of https://github.com/joelgoop/demokratikollen into mongodb-datastore

Conflicts:
	app/requirements/common.txt