school update test case added
student test cases added
Merge branch 'hitanshu' of https://github.com/naveensky/smslite into hitanshu

Conflicts:
	trunk/application/tests/controllertestcase.php
	trunk/application/tests/studentcontroller.test.php
remove static load session function
Merge branch 'hitanshu' of https://github.com/naveensky/smslite into hitanshu