Update Ehcache to 1.7.1

Disable the automatic update check for Ehcache.  Because the library
is embedded in the Gerrit distribution our users are not likely to
update it on their own.  Letting them know there is a new version
at server startup does not help them.

Change-Id: If10710db723b5bb2e32478d8526e649f200d781e
Signed-off-by: Shawn O. Pearce <sop@google.com>
3 files changed