Merge branch 'release/1.7-RC5'

include/class.dispatcher.php

include/class.email.php

include/class.export.php

include/class.faq.php

include/class.file.php

include/class.filter.php

include/class.format.php

include/class.group.php

include/class.http.php

include/class.knowledgebase.php

include/class.lock.php

include/class.log.php

include/class.mailer.php

include/class.mailfetch.php

include/class.mailparse.php

include/class.mcrypt.php

include/class.migrater.php

include/class.misc.php

include/class.nav.php

include/class.osticket.php