new feature: create routes (form for route prep )

added button to adminH to access route creation. then a form that
gathers delivery date and employees to execute routes.
misc update
Logout button clears session and redirects to home, redid the post method for adding new delivery customers. headers have been changed based on roles.
Merge branch 'Access'
new feature: add routes (creates and assighns routes);
Employee login redirects to the overview page, lat/long functions implemented for route creation
misc update
commenting.
Merge branch 'Access'

Conflicts:
	application/controllers/admin_controller.php
remove .idea
Pulled master