Mantis#2247

git-svn-id: http://farmanager.com/svn/trunk@9470 72235d2c-c60c-0410-a47a-a0032694dc5d
move semantics support in string class

git-svn-id: http://farmanager.com/svn/trunk@9472 72235d2c-c60c-0410-a47a-a0032694dc5d