misc changes
Route manager added to edit tab
added delete function to Route Manager
Merge branch 'development'

Conflicts:
	application/models/user.php
	application/views/login.php
	application/views/registration.php
	application/views/settings.php
	application/views/templates/header.php
	application/views/templates/item_table.php
Changing the add customer function
Changes to the adding customer function.