Merged r3328 from trunk.
Adds a few STDOUT.flush to migration scripts (#3675).
Adds unit test for #3645.
Merged r3325 from trunk.
Fixed: Tab's 'border-bottom' not absent when selected (#4495).
Merged r3323 from trunk.
Fixed: Issue Summary tables that list by user are not sorted (#4552).
Adds a test with Japanese keywords in a ISO-2002-JP encoded email (#4576).
Merged r3312 and r3320 from trunk.
Set native eol svn property on new lang files (#4526).