correctly hide the "no slash allowed in file names" message
Automated merge with https://gss.googlecode.com/hg/
Merged with f3a4422f7b1a
Version updated to 1.4.1.1
Added the GRNET suggested text to the About box
remove sorting from search results
Fixed infinite loop during accounting update duw to bug in calendar calculations
also create a file on file storage when creating an empty filebody
Imported changesets 6ad7cf34a8f5, d535941636f3, f3a4422f7b1a from the default branch
remove exception stacktraces, other fixes
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