Merge pull request #1 from olivererdmann/psdezone-206-psdcontentclassimport-cleanup

Psdezone 206 psdcontentclassimport cleanup
Siteaccess is set correctly for ezScript.
Merge pull request #3 from p7s1digital/fixed-script-settings

Siteaccess is set correctly for ezScript.
PSDEZONE-516: Implemented --clean-up functionality for removing undefined content-classes from CMS.

Implemeted psdPackageRepository for --clean-up and --update-status options.
Replaced eZArchive for extracting ezpkg-files with PharData, because eZArchive constantly failed.
PSDEZONE-516: Covers added and removed packages when asking or `--update-status`.