Merge remote-tracking branch 'colorschemes/master'

git@github.com:flazz/vim-colorschemes.git
Merge remote-tracking branch 'vcscommand/master'

git@github.com:vim-scripts/vcscommand.vim.git
prefer "vc" colorscheme
add cmdalias plugin v3.0

http://www.vim.org/scripts/script.php?script_id=746
add vcs-related aliases