Description of problem:
When building jbosseap/tomcat7/tomcat8 images, will meet "must specify a user that is numeric and within the range of allowed users", and the build will be failed.

Version-Release number of selected component (if applicable):
ce-registry.usersys.redhat.com/jboss-eap-6/eap-openshift  6.4-289  0849b9a8dc7c
ce-registry.usersys.redhat.com/jboss-webserver-3/tomcat7-openshift  3.0-212  3316c7784794
ce-registry.usersys.redhat.com/jboss-webserver-3/tomcat8-openshift   3.0-215   7815e0e57281

How reproducible:
always

Steps to Reproduce:
1. Login to openshift server
2. Create jbosseap app secret and image stream
3. Create app using jbosseap template file, refer to json file:
https://github.com/jboss-openshift/application-templates/blob/master/eap/eap6-basic-sti.json
4. Check the build logs
oc get build
oc build-logs eap-app-1

Actual results:
the build was failed and get like below messages:
<--------snip----------->
I0909 03:25:02.091917       1 docker.go:228] Pulling image registry.access.redhat.com/jboss-eap-6/eap-openshift:6.4
I0909 03:39:20.726362       1 sti.go:96] Creating a new S2I builder with build config: "Builder Image:\t\tregistry.access.redhat.com/jboss-eap-6/eap-openshift:6.4\nSource:\t\t\thttps://github.com/jboss-developer/jboss-eap-quickstarts\nSource Ref:\t\t6.4.x\nContext Directory:\tkitchensink\nOutput Image Tag:\t172.30.7.131:5000/32n23/eap-app:latest\nEnvironment:\t\tOPENSHIFT_BUILD_NAME=eap-app-1,OPENSHIFT_BUILD_NAMESPACE=32n23,OPENSHIFT_BUILD_SOURCE=https://github.com/jboss-developer/jboss-eap-quickstarts,OPENSHIFT_BUILD_REFERENCE=6.4.x\nIncremental Build:\tdisabled\nRemove Old Build:\tdisabled\nForce Pull:\t\tdisabled\nQuiet:\t\t\tdisabled\nLayered Build:\t\tdisabled\nDocker Endpoint:\tunix:///var/run/docker.sock\n"
I0909 03:39:21.011897       1 docker.go:211] Image registry.access.redhat.com/jboss-eap-6/eap-openshift:6.4 available locally
F0909 03:39:21.559192       1 builder.go:47] Build error: image "registry.access.redhat.com/jboss-eap-6/eap-openshift:6.4" must specify a user that is numeric and within the range of allowed users

Expected results:
The jbosseap/tomcat7/tomcat8 build should be successfully.

Additional info:
1. It works well against Origin env

2. [root@openshift-138 ~]# docker inspect ce-registry.usersys.redhat.com/jboss-eap-6/eap-openshift:6.4-289 | grep User -A 3 -B 3
    "ContainerConfig": {
        "Hostname": "",
        "Domainname": "",
        "User": "",
        "AttachStdin": false,
        "AttachStdout": false,
        "AttachStderr": false,
--
    "Config": {
        "Hostname": "",
        "Domainname": "",
        "User": "185",
        "AttachStdin": false,
        "AttachStdout": false,
        "AttachStderr": false,