Fixed test case class name (#10852).
Ability to delete a version from a wiki page history (#10852).
Merged r10702 from trunk to 1.4-stable (#12189)
add tmp/pdf directory.
Merged r10702 from trunk to 2.1-stable (#12189)
add tmp/pdf directory (#12189)
Merged r10699 from trunk (#12188)
Simplified Chinese translation for 2.1-stable updated by Steven Wong.
Simplified Chinese translation for trunk updated by Steven Wong (#12188)
Simplified Chinese translation for 2.1-stable updated by Steven Wong (#12188)
gantt: remove unused issues parameter from gantt_issue_compare method
Use proper icon.
