CMS-1969 Better feedback when reindexing fails

Now, the log gets the exception and a status is showed on the monitor page
 CMS-2028 Default values for cluster write consistency should be 'one'
CMS-1967 __MACOSX sub folder should not be included in file import
 CMS-2028 Default values for cluster write consistency should be 'one'

 Test failing? Adding orderby
CMS-2036 Move cms-shell into cms-ee repository.