Replace tab with spaces
Adopt vundle as submodule

1. replace pathogen with vundle
2. decouple vim setting into sereval configs
3. new color scheme, key-bindings, library

TODO: Syntax library, Language specific setting (comment, key-binding etc)

Reference
http://codecampo.com/topics/717
https://github.com/fsproru/vimfiles/blob/master/vimrc
https://github.com/gmarik/Vundle.vim
Merge branch 'master' of https://github.com/mondwan/vimrc

Conflicts:
	style/vimrc