Revert "Update STATSD_PREFIX for dev. Bug 960269"

This reverts commit 599790e9fc24a894a749032bcf1a7e5bcd4677d7.
use save instead of update to prev. recursion but trigger post_saves (bug 962717)
Merge pull request #1663 from ngokevin/statusrecurse

call save instead of update in pingback api (bug 962717)
rename EULA to End-User License Agreement