Switch vim colorscheme to gruvbox (#23)

.config/nvim/colors/stonewashed-256.vim

@@ -0,0 +1,59 @@
+""" VIM STONEWASHED 
+" A low-rent color-scheme for Vim
+"
+set background=light
+if version > 580
+  hi clear
+  if exists("syntax_on")
+    syntax reset
+  endif
+endif
+let g:colors_name = "stonewashed-256"
+
+hi ColorColumn ctermbg=250
+hi Comment ctermfg=242
+hi Conditional ctermfg=94 cterm=underline
+hi Constant ctermfg=52 
+hi CursorColumn ctermbg=231
+hi CursorLine ctermbg=231 cterm=none
+hi Define ctermfg=94 cterm=underline
+hi Error ctermfg=124 ctermbg=255 cterm=bold,undercurl
+hi Exception ctermfg=94 cterm=none
+hi Float ctermfg=94
+hi Function ctermfg=62
+hi Identifier ctermfg=62
+hi Include ctermfg=94 cterm=underline
+hi LineNr ctermfg=240 ctermbg=144
+hi Macro ctermfg=94 cterm=underline
+hi MatchParen ctermbg=185 cterm=bold
+hi NonText ctermfg=244 ctermbg=254
+hi Normal ctermfg=0 ctermbg=255
+hi Number ctermfg=23 
+hi Pmenu ctermbg=75 ctermfg=253 cterm=reverse 
+hi PmenuSel ctermfg=253 ctermbg=75
+hi PreConduit ctermfg=94
+hi PreProc ctermfg=94
+hi Repeat ctermfg=60
+hi Search ctermbg=217 cterm=bold
+hi Special ctermfg=57
+hi SpecialKey ctermbg=254 ctermfg=248
+hi Statement ctermfg=52
+hi StatusLine ctermfg=144 ctermbg=140
+hi StatusLineNC ctermbg=144 ctermfg=144
+hi StorageClass ctermfg=17 
+hi String ctermfg=22
+hi Structure ctermfg=64 cterm=underline
+hi Title ctermfg=52
+hi Todo ctermbg=226 ctermfg=238 cterm=bold
+hi Type ctermfg=17
+hi Typedef ctermfg=64 cterm=underline
+hi Underlined ctermfg=40 cterm=underline
+hi VertSplit ctermfg=232 ctermbg=195
+hi Visual ctermbg=117 ctermfg=0 cterm=none 
+hi Wildmenu ctermbg=120 cterm=underline
+
+""" REFERENCE
+" Color Chart http://i.stack.imgur.com/UQVe5.png
+" Vim Color Names http://vim.wikia.com/wiki/Xterm256_color_names_for_console_Vim
+" Syntax higlighting http://vimdoc.sourceforge.net/htmldoc/syntax.html#:highlight
+" Make Vim Pretty http://andrewradev.com/2011/08/06/making-vim-pretty-with-custom-colors/