Revert "error meldung angepasst in search"

This reverts commit 9fe71d210955067ad3521071ad711d53f2f6f723.
Revert "deleted javascripts and some css files that are not needed"

This reverts commit e2f17f296e45b10b24aa4efcaa9a51b2ec3ee3c3.
bug with routing fixed -> deleted app*.js