Some changes.

* Added ftplugin/lua.vim.
    Added commands and a nmap to run (test) current lua script file.
* Minor bug fixes and changes in ftplugin/python.vim.
    Use '/' instead of '\\' in specifing paths.
* Commented out previously added config for 'singlecompile'.
Merge branch 'linux-win32-neobundle' of https://github.com/Mudox/vim-config into linux-win32-neobundle

Conflicts:
	vimrc