Initial migration to use Jekyll for processing. Previous VERSION info
is now in _data/version.yml.  Landing page is generated from index.md,
with releases generated from entries in _posts.
Make each docs dir standalone with css and js. Adapt bin/release-docs to use Yaml version file
Remove redundant css reference
Prep for next version is 1.3.0
Migrated new documentation to use Jekyll/markdown
Fix internal page reference
We no longer need the JavaScript TOC process now that Jekyll will generate a ToC
Fix broken table encoding
Ensure text search tutorial shows up correctly