Switch from vim-powerline to vim-airline.
Do not use quickfix window in pyflakes, since it is not that useful and
conflicts with vim-airline.
Remove x permission of the following files:

	modified:   ftplugin/python/pyflakes/LICENSE
	modified:   ftplugin/python/pyflakes/NEWS.txt
Added pep8.vim for python and install pep8.py in mine/bin.
Updated python_pydoc.vim.
Added commant-t and remove lookupfile.
Updated gitignore and README.dm
Added ack for regex searching.
	modified:   ftplugin/python/my_config.vim
Removed pyc files.