Fix lintian warning: preinst-uses-dpkg-maintscript-helper-without-predepends
Mark old conf files to be deleted.
Added postinst script to clean things.
Update changelog for 1.1.2 release.
Updated submodule "vim-nagios" to latest upstream.

Fixing file type detection of Nagios CFG after repository changes.
Update changelog for 1.1.3 release.
[debian] removed deletion of removed directory during postinstall.
[debian] updated dates in copyright.
Updated global config with some elements from fisa config.

Splited also abbreviations.
[bundle] new bundle: vim-powerline.
[bundle] added a bunch of cool bundles.

- Wombat theme
- Auto complete
- Auto close
- Snippets
- Deps for snippets
Updated bundle vim-nagios syntax.
Replaced snipmate by garbas/vim-snipmate.
Be careful, this is sh !
Define powerline cache file location to ~/.cache/vim.powerline_cache_file.
[debian] rules: override auto install to fix perms.
Save using sudo with w!!
[snippets] global: added FAU snippets.

Add MIT header with Faurecia copyright holder.
Install custom snippets.
Update changelog for 1.1.4 release