updated Elhanan's profile with Raj's bio and photo on the main meetings page
changed Elhanan's name to Raj Vadigepelli
Merge commit '8944c5cd3fff1348e3ced42e27833014477ed6ee'

Conflicts manuali resolved: _content/02-meetings/02-elhanan-borenstein/page.md
Merge commit '815f27d519b7cd0cd55bfa3f31a8a9f30b7f40cb'
Moved page from location that was for previous author to location that matches current author.
Merge pull request #34 from codecurve/master

Speaker changed