Add view and controller for SlickGrid for testing

View contains only h1 title and slic-<div>. Other functionality
will be added later.
Add "skeleton" html-page from Rengas14
Add CasperJs testfile for SlickGrid tests

File will test only that SlickGrid page is working.
(HTTP 200)
Fix indentations
Set SlickGrid pages title to Sulka

Set title and add a test to verify that.
Remove unnecessary import from slickGrid.js
Add simple grid filled with random data to slick-view

	This adds a simple grid to slick.jsp with necessary dependencies
	added to the same file and css definitions to sulka.css.

	Test is also added to verify that grid-variable is not null with
	necessary dependencies to slickGrid -testfile.
Merge branch 'dev' into addSlickGrid
Make controller handle requests to /fields

	Added mapping to /fields -address to return json
	of all fields.

	Added also unittests to verify status of /field -address
	and that the return is in json-format.
Fetch and add correct column headers to grid
Merge branch 'addSlickGrid' into dev

Conflicts:
	src/main/java/edu/helsinki/sulka/controllers/HomeController.java