Site Update - add blogspot companion site

• Create companion blogspot site jkodama42.blogspot.com
  - handles comments and social media support
  - lets seeking42 remain read-only
• Replicate all entry summaries in blogspot
• Update all seeking42 entries to link to blogspot entries
• Update "about" and "site reference" pages
• Miscellaneous minor tweaks

Update 1406.12: only include major updates in the "site update" series.