Use own fork of python-syntax

.gitmodules

 [submodule "dotfiles/vim/bundle/python-syntax"]
 	path = dotfiles/vim/bundle/python-syntax
-	url = https://github.com/hdima/python-syntax.git
+	url = git@github.com:AloisMahdal/python-syntax.git
 [submodule "dotfiles/vim/bundle/vim-markdown"]
 	path = dotfiles/vim/bundle/vim-markdown
 	url = https://github.com/plasticboy/vim-markdown.git