Setting change:
1. set autoread
2. no swapfile

Key mapping:
1. resume arrow key
2. cancel switch between ;: -_

New plugin:
1. tangledhelix/vim-octopress
2. ervandew/supertab
3. Townk/vim-autoclose
4. airblade/vim-gitgutter
5. sukima/xmledit
6. vim-scripts/indent-motion