make chromium non-floating, highlight PmenuSel for vim.
Squashed 'vimfiles/' changes from b0079fc..8897f8a

8897f8a Merge commit 'c5c28156e6fe007c5d29c24a0221451ee820e645'
c5c2815 Squashed 'bundle/syntastic/' changes from 2fbd870..c035ac2

git-subtree-dir: vimfiles
git-subtree-split: 8897f8a064f0395fd3238c179b89f0614ee47bbc
Merge commit '4686ae51e2c4f1b4bec4f3d19eb5bfb98db8f933'