Many changes.

*   Added white list for mudox-vim-scripts auto colo function ( just for
    testing for now )
*   Moved plugin relevant mappings to under seperate plugin setting
    sections.
*   Added nmap \rb to command :RainbowParenthesesToggleAll.
*   Moved the 'SETTING' section to the last part of .vimrc.
*   Added several snippets for VimL.
Several changes.

* Disable wrap: set nowrap.
* Enable autochdir options: set autochdir.
* Change configuration of Ultisnips, use Tab instead of <C-K>, <C-J> to jump among.
  place holders.
* Add white & black list (and corresponding list in term256 mode) settings for auto_colos.vim.