This allows us to insert HTML underneath the first portal or wrap
the portal in a containing element in future if we want to target
additional CSS to it
Change-Id: Ied28d95407b8d59fc819bb07a2cce3242bd93088
Moving all the templateParser calls to one function
so its easier to see how the template is composed.
The diff of changes to the stories folder highlight
the internal changes which are:
* html-portals replaced with html-sidebar in main template
* new Sidebar template added which outputs to html-sidebar
* Mention of "MainMenu" replaced with better understood "Sidebar"
This is precursory work to adopt templatePartials
Change-Id: I6b2196e39087f818e774d04b2d1b9ab8cb8816a1