adapt css styles
adapt code for header image
adapt css styles
move arcavias.css into html client and adapt detailview
adapt validator bugs
create media queries
Merge https://github.com/Arcavias/arcavias-core
adapt css style for listview
adapt css style
adapt css styles
adapt css for listview
Merge pull request #88 from cmann2012/master

Improves CSS and adds required images, moves arcavias.css to client/html/lib/css