Developer Meetings/20130205

To discuss

Hide from editors flag on mrml nodes, bug 2906
- model hierarchy optimisations causing unexpected behaviour
Failing tests - ITKv4 and otherwise

Wiki updates
- Re-organized FAQs
  - Sub section of FAQ (UserInterface, DICOM, ...) can be included where it matters. For example see here and here
  - Created a developer FAQ. See here
  - FAQ page now redirect to Documentation/Nightly/FAQ. See here
- Added a Roadmap & priority page - See http://www.slicer.org/slicerWiki/index.php/Roadmap
Build instruction: Pre-requisites are not included directly in the page. (Still need to consolidate Qt prereqs)