Started implementing an actual welcome screen
added a simple shaded, rounded box style; welcome screen
added purple-button style to be combined with gradient for pure CSS purple buttons! :)
done for now with no-session welcome page
added boxcontainer wrapper style for boxbody, to allow new midtitle style per design
Merge branch 'graphic_impl' of github.com:abartov/benyehuda-cases-server into graphic_impl