CLN: remove TODO.rst
ENH: add :CurrentBuffer and <leader>{2,3,4} shortcuts for vimdiff
MERGE: ENH: Add <C-Up> and <C-Down> to adjust font size
ENH: Add Trac.vim bundle
ENH: Add gist-vim bundle
ENH: Add webapi-vim bundle
ENH: Add github-issues.vim bundle
DOC: Fix "decrease font size" comment in .vimrc
ENH: Add <F5> to insert ReST date heading (for TODO.rst)