[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