Updated Home (markdown)
Move "getting involved" up and add IDE instructions bullet
Link to research page.
Link to Truffle page.
Roll over mentions of GSoC to this year's edition
remove redundant listing of rails guide
Add link to nightly builds
Fixing "(Ruby|Google) Summer of Code 201x" links
Removing "120 second guide to JRuby on Rails" broken link.
120 sec... broken link
Cleans up some links
Adds an archived section with Summer of Code 2010
Updated JRuby (markdown)