[freebsd91p7][vim] 1. Re-enable YCM on this machine. 2. Use vi as default git editor.

To disable YCM one-time, run:
$ VIM_DISABLE_YCM=1 vim
[freebsd91p7][vim] 1. Let default VI/VIM read original .vimrc.tiny.

1. Rename .vimrc.tiny to .vimrc.
2. Rename original .vimrc (with all plugins) to .vimrc.rich.
3. Alias vi  => launch vim with .vimrc.
4. Alias vim => launch vim with .vimrc.rich.
[u104][vim] 1. Avoiding escape timeout. 2. new key mappings. 3. plugin configurations.

1. Avoiding escape timeout issues in vim

   (new key mappings)
2. <f9> Use tagbar by default and taglist as backup
3. <c-f*> may not works for mintty; Add mappings of all <c-f*> key to <leader><f*>
4. <f3> To save current session; load it by 'vip' command.

   (plugin configurations)
5. Enable auto-close/focus for tagbar/taglist/gundo.
6. Some configurations modification for ycm/syntastic
[u104][bash] show Android build environment on prompt.
[u104][vim] Map tab/<leader>tab to switch buffer window.
[freebsd91p7][vim] 1. vim plugins CoVim/ycm/cctree/easyalign. 2. local install applications.

(vim)
Install CoVim
New <c-[> for ycm
New <c-\> delay cctree loading cscope to improve startup time
New \Enter for live easyalign
Use suggested easyalign delimiters

(freebsd91p7)
local install applications