Merged r12955 from trunk to 2.5-stable (#16291)

Japanese translation updated by Go MAEDA.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@12956 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r12959 from trunk to 2.5-stable (#16320)

fix Turkish translation typo by Gürkan Gür.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@12960 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r12961 from trunk to 2.5-stable (#16334)

Korean Translation updated by Jong-Ha Ahn.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@12962 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r12963 from trunk to 2.5-stable (#16336)

Russian translation updated by Kirill Bezrukov.

git-svn-id: http://svn.redmine.org/redmine/branches/2.5-stable@12964 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merge remote-tracking branch 'upstream/2.5-stable' into ro-2-5