Update README.md
fix indent spaces of .gitconfig
make tab completion more convenient
configure shortcut for removing trailing whitespaces
add more ignore-dirs for ack & command-t
add Omni Completion support/config

0. customsize some shortcuts for convenience
1. add SuperTab support, use <Tab> for complete
2. add ruby/js/html/css omnifunc
3. when pressing dot in js file, auto pop up the menu
4. add author header in .vimrc
map <ESC> will get arrow keys not working, disable it
Remove Jsbeauty plugin, change some shortcuts
Add vim-javascript plugin, indentation for js
tracking is deprecated synonym for upstream
configure rspec's output with color
display status line in vim
ack supports ignore-dir for path name, add more specified version desc
remove omni-complete plugin, it really sucks.
add bufExplorer.vim
remove BufExplorer.vim, conflict with ack.vim
call NERDTreeToggle instead of NERDTree
add SelectBuf.vim, fuck BufExplorer.vim two blocks
SelectBuf.vim conflicts with ack.vim, too...Fuck
ack.vim ignores js files