[resolves #2428] Upgrade docker base image to openshift/wildfly-120-centos7
[resolves #2428] Upgrade docker base image to openshift/wildfly-120-centos7

tdiesler/wildfly-camel,wildfly-extras/wildfly-camel,wildfly-extras/wildfly-camel,jamesnetherton/wildfly-camel,tdiesler/wildfly-camel,tdiesler/wildfly-camel,tadayosi/wildfly-camel,wildfly-extras/wildfly-camel,tadayosi/wildfly-camel,wildfly-extras/wildfly-camel,tadayosi/wildfly-camel,tdiesler/wildfly-camel,tadayosi/wildfly-camel,jamesnetherton/wildfly-camel,jamesnetherton/wildfly-camel,tadayosi/wildfly-camel,jamesnetherton/wildfly-camel,tadayosi/wildfly-camel,jamesnetherton/wildfly-camel,jamesnetherton/wildfly-camel