translation updates (closes #4016, #4017).
ko locale updated (closes #3954).
ro locale updated (closes #2900).
Fixes project shortcut combo.
Fixes MailHandler for ruby1.9.
String#each removed in ruby1.9.
Fixes some test failures due to Array#to_s behaviour in ruby1.9.
Defines String#to_a (Object#to_a removed in ruby1.9).
Fixes a wrong number of arguments error with ruby1.9.
Sets file encoding to utf-8 for ruby 1.9.
