merge branch 'pr-831'

Phil Estes (1):
  Replace Jason B with Jon J in image-spec maintainers

LGTMs: vbatts cyphar stevvooe brendanburns jstarks jbouzane (6)
Closes #831

MAINTAINERS

@@ -1,5 +1,5 @@
 Brendan Burns <bburns@microsoft.com> (@brendandburns)
-Jason Bouzane <jbouzane@google.com> (@jbouzane)
+Jon Johnson <jonjohnson@google.com> (@jonjohnsonjr)
 John Starks <jostarks@microsoft.com> (@jstarks)
 Jonathan Boulle <jon@nstack.com> (@jonboulle)
 Stephen Day <stevvooe@gmail.com> (@stevvooe)