install pathogen.vim
install solarized
install Syntastic
install clang_complete and UltiSnips
install NERDTree
copy from old .vimrc.after
install fugitive
show hidden files in NERDTree
highlight search matches
install gitgutter
show line numbers
update email address
rm unused alias
rm empty line
silence warning on `git push`
install vim-objc
detect .md as Markdown, .m/.h/.pch as Obj-C
use xctool to build Obj-C projects
move xctool config into a plugin
how is submodule formed