add java & android sdk(locate at $HOME/Development/adt-bundle folder) to PATH
1. set wildmenu (autocomplete will list with menu when tab at command mode)
2. map zz to :q<cr>
3. tidy vundle bundles
4. fix some vundle `filetype off & filetype plugin indent on` order
problem
5. map emmet(zen-coding) to <c-e> shortcut, & fix some problem