Update new slide
Merge branch 'master' of github.com:tungnh/group14_k57ca

Conflicts:
	notifications/__init__.pyc
	notifications/forms.pyc
	notifications/models.pyc
	notifications/urls.pyc
	notifications/views.pyc
	periods/__init__.pyc
	periods/admin.pyc
	periods/forms.pyc
	periods/models.pyc
	periods/urls.pyc
	periods/views.pyc
	timetables/admin.pyc
	timetables/forms.pyc
	timetables/models.pyc
	timetables/urls.pyc
	timetables/views.pyc
	users/__init__.pyc
	users/admin.pyc
	users/forms.pyc
	users/models.pyc
	users/urls.pyc
	users/views.pyc
Add new slide