poetic/dotfiles — pull request #4 by Chun-Yang (2014-08-29 19:47:02+00:00)
Title: In tmux, use C-a C-a to output C-a, set wait time to zero when we hit escape

In tmux:
1. use C-a C-a to output C-a,
2. set wait time to zero when we hit escape in vim.