moved loading of session library to autoload
added some formatiing to tasklist controller
added authentication to the task controller
removed useless info from list page
Merge branch 'C4_framework_task_bootstrap' of github.com:MGhanem/smartsoft-13 into C4_m0hamed_S0_T3_framework

Conflicts:
	framework_task/C4/application/controllers/authentication.php
fixed bug in database_setup.sql