chore(init) initialize the project

The current state includes:
	* a working dropwizard application, that can be
compliled using `gradle shadowJar`
	* a working angularjs application, that can be compiled using
`grunt` (after `npm install && bower install`)

Can be run using `thalia/server/thalia.sh`. It runs the server, which
has a simple resource available at `localhost:8083/api/media`, and
servers the client at `localhost:8083`