bump to Photon.0.RC4a, pulled 201806191120

Signed-off-by: nickboldt <nboldt@redhat.com>

Author: nickboldt

jbosstools/updates/requirements/photon/build.xml

@@ -11,8 +11,8 @@
     </classpath>
   </taskdef>
   <!-- http://download.eclipse.org/releases/photon/201803161000/ -->
-  <property name="versionDate" value="201805161906"/>
-  <property name="versionLabel" value="Photon.0.M7"/>
+  <property name="versionDate" value="201806191120"/>
+  <property name="versionLabel" value="Photon.0.RC4a"/>
   <property name="version" value="${versionDate}-${versionLabel}"/>
 
   <property name="destination" value="${basedir}"/>