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