Adresses #238 - Removed header from transition animation, but some header styling issues stil remain.
Adresses #238 - Fades old header out, fades new header in.
Adresses #238 - Used header.detach() instead header and content selection to account for page div modifications inside the js view code.
Adresses #238 - Fixed all broken css rules that I found and that were related to the header structure change.
Merge branch 'fixed-header'