TOOLSDOC-513: Added OpenShift How To "Debug"
TOOLSDOC-513: OpenShift How To "Debug" - fixed filename case
TOOLSDOC-511: Added OpenShift How To "First App"
TOOLSDOC-511: OpenShift How To "First App" - fixed filename case
Added howto landing page, layout and headers for existing docs.
fix merge
TOOLSDOC-511, TOOLSDOC-513: Incorp feedback to OpenShift HowTos
Use How To instead of how-tos.
fix redundant how to title