update vimrc and hgrc

Signed-off-by: Wang Zhen <yuchen12@gmail.com>
update dircolors.256dark: 2013-10-11

Signed-off-by: Wang Zhen <yuchen12@gmail.com>
update git files: 2013-10-11

Signed-off-by: Wang Zhen <yuchen12@gmail.com>