.vimrc -> .gvimrc: Move guifont setting.
.gvimrc: Source on write on Windows.
.vimrc: Remove solarized colorscheme bundle.
.vimrc: Set listchars for tabs and end-of-line.
.vimrc: Add keymappings for editing .gvimrc, show listchars.
.vimrc: vimrc autogroup now has Windows support.