fix(refactor): Adaptation for dynacase-core 3.2 (refs #3108)

Package and classes have been adapted to new standards for dynacase-core 3.2
and PHP 5.4.
fix(build): Use share/offline/ckeditor (refs #4446)

Changed ckeditor location following changes made to dynacase-htmledit
(#4445).
fix(classes): Correct OfflineDomain::getUserFolderId() (refs #4447)