New module: python-mode.

Python-mode is a vim plugin that allows you to use the pylint, rope, pydoc,
pyflakes, pep8, mccabe libraries in vim to provide features like python code
looking for bugs, refactoring and some other useful things.

This plugin allow you create python code in vim very easily. There is no need to
install the pylint, rope or any used python library on your system.
Updated all submodules to latest release.
Generate help tags at loading time.
[vimrc] do not run pylint on save.
[reminder] added python-mode command help.
Deleted submodule oh-l-l. Not used theme.
[theme] set default CursorLine controlled by theme.
Update changelog for 1.1.0 release.
[pathogen] upgraded to v2.2.
Removed autoload vimproved search.
Cleaned vimrc config.

- Pathogen now able to load plugin from ~/.vim/bundle for development.
- Use highlighting for searches.
- Remove highlighting with <CR> (Enter).
- Cleaned status line from useless info.
Make use of dpkg-maintscript-helper to remove old conffiles.
Deleted DrawIt plugin. Not very useful.
Fixed lintian warning: debhelper-maintscript-needs-versioned-build-depends.

The maintscript files used by this package was introduced in a later version of
debhelper than the package Build-Depends on. The package's Build-Depends should
be updated to require at least debhelper 8.1.0.
Suggest vim-gnome instead of having it as dependency.
Mark /etc/vim/doc/tags to be removed.
Update changelog for 1.1.1 release.
Updated all plugins to latest upstream.

- Type "dts" in insert mode followed by a space will expand to current date as
  %Y-%m-%d.
- MiniBuffExplorer should not becomes slow when opening a lot of files.
- New shortcut: Type \pyl (in normal mode) to start code checker for Python !
Update changelog for 1.1.2 release.