fix 'object_daddy creation' test name at unit user test
Redmine dropped object_daddy at r9469 for Rails3 porting.
Code cleanup.
tagged version 2.1.2
Merged r10535 from trunk.
Updates for 2.1.2 release.
Merged r10465 from trunk.
tagged version 2.1.1
Merged r10531 from trunk.
Updates for 2.1.1 release.
Japanese translation updated by Go MAEDA (#11995)