bp-group-documents subnav
remove single profile group tab from edit profile page

this corresponds to (mostly) accepted pull request at
https://github.com/cuny-academic-commons/cbox-theme/pull/206
so it can be removed in a little while
whitespace; consolidate
style buddypress-docs a little bit
remove sidebar from advanced search page
remove search button and other tweaks
fix issue with forum subscribe buttons
quick hack to remove redundant profile menu, fixes #34