Added urls to overview table
Made js libraries locally available, changed add button
Ignore node modules and vim swap file
Made js scripts available offline
Merge branch 'dev' of https://github.com/adius/educatopia into dev
Enabled updating and creating of exercises
Enabled creating of new exercises from every subpage
Setup base for building authentication service.

This commits enables checking for a logged-in user.
How the user logs in, or logs out, or changes his password,
or even registers, still needs to be done
Merge branch 'dev' of github.com:educatopia/educatopia into dev

Resolved merge conflict in app.js
Enhanced API, added history of exercises, moved defaults to client to reduce size of requests
Moved markup from logic to templates, added tags to exercises table
Implemented markdown parsing, solutions instead of solution, fixed creation of new exercises
Fixed exercise editing form
Fixed addition of exercises on server side
Added login modal
Fix syntax
Merge branch 'dev' into history

Conflicts:
	app.js

Also improve indentation etc
Add some new dependencie
Tried to move navbar to backbone view
Merge branch 'history' of https://github.com/adius/educatopia into history