Merge branch 'release/1.7-RC5'

include/ajax.kbase.php

include/ajax.reports.php

include/ajax.tickets.php

include/ajax.upgrader.php

include/ajax.users.php

include/api.cron.php

include/api.ticket.php

include/api.tickets.php

include/class.ajax.php

include/class.api.php

include/class.attachment.php

include/class.banlist.php

include/class.canned.php

include/class.captcha.php

include/class.category.php

include/class.client.php

include/class.config.php

include/class.cron.php

include/class.csrf.php

include/class.dept.php