Improve code.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1243 3c3d7b80-5828-415e-9f61-280b98178fff
Add APT configuration that denies the installation of recommended and suggested Debian packages. This configuration is not OPTIONAL, this is a default behaviour of OMV.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1244 3c3d7b80-5828-415e-9f61-280b98178fff
Fix some issues

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1248 3c3d7b80-5828-415e-9f61-280b98178fff
* Modify package dependencies.
* Update locales.

git-svn-id: http://svn.code.sf.net/p/openmediavault/code/trunk@1249 3c3d7b80-5828-415e-9f61-280b98178fff