updated vimrc styling

added solarized colorscheme
added code that updates terminal colors to match solarized colorscheme
Merge pull request #2 from zachmokahn/vimrc_local

updated vimrc styling
Merge pull request #3 from zachmokahn/vimrc_bundle_local

added bundles for solarized colorscheme
Merge pull request #4 from zachmokahn/vimrc_bundle_local

added a File Directory bundle
updated vimrc Nerdtree settings

NerdTree stays open on side panel
NerdTree views hidden files
Merge pull request #5 from zachmokahn/vimrc_local

updated vimrc Nerdtree settings