Updates for ZF 0.6.0 compatibility, also some minor updates

application/controllers/ApprovalbodyadminController.php

application/controllers/AuthController.php

application/controllers/ConflictController.php

application/controllers/CourseadminController.php

application/controllers/HomeController.php

application/controllers/IndexController.php

application/controllers/NewrequestController.php

application/controllers/TestController.php

application/controllers/TestformController.php

application/controllers/UseradminController.php

application/models/rows/ApprovalChain.php

application/models/rows/Person.php

application/models/tables/ApprovalChains.php

application/models/tables/CourseCrosslistings.php