Test Comments Enhancement

This release includes:

• Test comments (comments immediately before the test) are now parsed and added to PageData
• Structural changes to PageData and Some structs to accommodate comments
• gometalinter improvements to return types and a full review of pointer usage.
  • PageData is now passed by reference rather a pointer.
  • many an Id field is now ID - be aware :)
  • Some struct has been given public scope
• Example tests from git README are now generated by the build and deployed to github pages.
• some structs have package changes - testvisitor now moved to base for example