Updated submodules supertab, syntastic, tagbar, & vim-fugitive
Added web section to gitconfig so that urls open
in the default browser. Helpful with vim-fugitive when
running GBrowse.
Changed tmux scroll buffer to 10K lines
Misc color scheme changes
Added gui foreground color for secondary keywords
Added vim-ruby-debugger color preferences
De-emphasized color of ruby do blocks
De-emphasized color of html angle brackets, emphasized <HN> elements