Add Core and More

Add Core and More to website.
Commented other content (Prime and friends)
The idea of this function is to make the table in the front-end for the custom-download-page have the dependencies in a data field of the html ckeckbox. Together with a client-side function in this pr it makes possible by clicking "Elements" in the custom build to auto-magically checked==true in all the dependencies it needs.

Its a idea. About your suggestions:

a) will fix
b) missed that, will update
c) yes, we could do that with help of the grunt-packager probabbly 
d) good point will change