Updates the .htaccess file to redirect api-reference.html to api-ref.html

Updates the pom.xml to use 1.5.2 so that GA tracking is correct

Rebase against master

Pick up and update Compute extension samples

fix bug 1006654, adds min_count, max_count, and reservation_id in samples and params

Change-Id: I455834e5efda94ec87191a8044151e10afdf9097