Suggest changing gerrit.config when JDK not found

If gerrit.config points at the wrong JDK, setting JAVA_HOME to the
correct one will not fix the issue.  This patch suggests that the user
check the gerrit.config file when no JDK is found.

Change-Id: I1042f7291d92189946a765c2ef170cf3707d4a91
1 file changed