Modified wombat color theme (colors for column adn visual block)

Modified class for reST, added support for acronyms html
Cosmetic changes on pylint python module
Removed leftovers from nerd tree plugin

.vimrc

@@ -72,7 +72,7 @@ set noswapfile
 :let html_ignore_folding = 1
 :let html_use_encoding = "utf-8"
 "}}}
-"COMMON: specific vim behaviour for Python files {{{
+"COMMON: specific vim behaviour {{{
 "
 "remove all trailing whitespace for specified files before write
 autocmd BufWritePre *.py :call <SID>StripTrailingWhitespaces()
@@ -183,7 +183,6 @@ map <F11> :lprevious<CR>
 map <F12> :lnext<CR>
 map <S-F9> :QFix<CR>
 map <S-F11> :LWin<CR>
-map <S-F12> :call ToggleQFonValidate()<CR>
 
 "remove trailing whitespaces
 map <C-e> :%s/\s\+$//<CR>