Add zsh-history-substring-search.
Merge branch 'master' into bare
Disable auto title to prevent oh-my-zsh from mangling the tmux window title. Use oh-my-zsh history-substring-search because the standalone zsh-history-substring-search does not work.
Merge branch 'master' into bare
Fix relative numbers toggle for vim 7.4 and 7.3 with patch1115
Merge branch 'master' into bare