help: Rename views modules as 'views'

Tests performed:

- Visit help main view by visiting URL /plinth/help/.

- Visit pages: about, manual, get support, submit feedback, contribute.

- Download manual.

- Raise an exception in a view, visit the view in non-develop mode, see the
status log.

Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
Reviewed-by: Veiko Aasa <veiko17@disroot.org>

plinth/modules/help/urls.py

@@ -7,7 +7,7 @@ from django.conf.urls import url
 
 from plinth.utils import non_admin_view
 
-from . import help as views
+from . import views
 
 urlpatterns = [
     url(r'^help/$', non_admin_view(views.index), name='index'),