Use Java 7 to use the same Java version as Gerrit core
Use Java 7 to use the same Java version as Gerrit core

Change-Id: Ibab118f36aa818a171a374af6f385e9d7a2f7219
Signed-off-by: Edwin Kempin <b444e279ad95fdef4fbdd82c813b624595df204a@sap.com>

GerritCodeReview/plugins_avatars-external