[test4, test5] Added tests for PreviewActivity und EditorActivity (SP,
PO)
Merge branch 'master' into stefan2
(0.6 W) Added edit and add new possibility for the article <Sehic,
Hoedl>
[][Refactoring] <Variablenname geändert> (CK, DP)
[0.2.W, 01] Search is now case insensitive (Tischler, Holzegger)
Merge branch 'master' into stefan2