AMBARI-2262. On "install Options" page, when selecting "Perform manual registration on hosts and do not use SSH" is setting "Path to 64-bit JDK" disabled. (Andrii Tkach via yusaku)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/branches/branch-1.2.4@1489541 13f79535-47bb-0310-9956-ffa450edef68