Vim: Add Gruvbox color scheme

.gitmodules

@@ -3,7 +3,7 @@
 	url = https://github.com/alvan/vim-closetag.git
 [submodule ".vim/bundle/gruvbox"]
 	path = .vim/bundle/gruvbox
-	url = https://github.com/morhetz/gruvbox.git
+	url = https://github.com/morhetz/gruvbox
 [submodule ".vim/bundle/SimpylFold"]
 	path = .vim/bundle/SimpylFold
 	url = https://github.com/tmhedberg/SimpylFold.git

.vimrc

@@ -5,9 +5,9 @@ filetype plugin indent on
 
 " Theming
 if $TERM != 'linux' && version >= 800
-	colorscheme breezy
+	colorscheme gruvbox
 	set termguicolors
-	set background=light
+	set background=dark
 endif
 
 set autoread " Automatically read when a file is changed outside of Vim
@@ -50,7 +50,7 @@ let g:lightline = {
 	\		'charvaluehex': 'char: 0x%B'
 	\	},
 	\}
-let g:lightline.colorscheme = 'breezy'
+let g:lightline.colorscheme = 'gruvbox'
 
 " Json
 au BufNewFile,BufRead *.json