revert removing svn:mime-type

git-svn-id: http://farmanager.com/svn/trunk@9616 72235d2c-c60c-0410-a47a-a0032694dc5d
hlf must have BOM

git-svn-id: http://farmanager.com/svn/trunk@9617 72235d2c-c60c-0410-a47a-a0032694dc5d
some more mime

git-svn-id: http://farmanager.com/svn/trunk@9618 72235d2c-c60c-0410-a47a-a0032694dc5d
more mime

git-svn-id: http://farmanager.com/svn/trunk@9619 72235d2c-c60c-0410-a47a-a0032694dc5d