Large clean up

pyWebLayout/concrete/__init__.py

@@ -1,6 +1,5 @@
 from .box import Box
-from .page import Container, Page
+from .page import Page
 from .text import Text, Line
-from .functional import RenderableLink, RenderableButton, RenderableForm, RenderableFormField
+from .functional import LinkText, ButtonText, FormFieldText, create_link_text, create_button_text, create_form_field_text
 from .image import RenderableImage
-from .viewport import Viewport, ScrollablePageContent