Added title attributes to '...' links for mouseover hover.
Merge branch 'master' of https://github.com/rvguha/schemaorg
For now commenting out efforts to add meta-property info into the per-type pages.

Instead, we'll do the property pages first.
Bumping to v1.6 preparing release candidate.
Merge branch 'master' of https://github.com/rvguha/schemaorg