.vimrc: Switch vim to use solarized light colorscheme

Needs the actual color scheme installed:
    https://github.com/altercation/vim-colors-solarized

.vimrc

@@ -3,7 +3,7 @@ set ts=4
 set expandtab
 set sw=4
 set bs=2
-set bg=dark
+set bg=light
 set paste
 set wildmode=longest,list " change filename autocomplete to be more like bash
 set mouse=v                 " some vim defaults to mouse=a, which sucks for copying and pasting in Xorg
@@ -13,3 +13,6 @@ if version >= 600
     filetype plugin on      " enable file type plugins
     filetype indent on      " enable file type indents
 endif
+
+let g:solarized_termcolors=256
+colorscheme solarized