Photon target platform - use /releases/photon p2 repository

- org.eclipse.platform.sdk, org.eclipse.core.tests.harness and
org.eclipse.test.feature.group
  from /eclipse/updates/4.8
- long term Orbit repo

Change-Id: I123df915f35a2a11f8dacadd496b073a06fb797e
Signed-off-by: Mykola Nikishov <mn@mn.com.ua>
diff --git a/org.eclipse.equinox.p2.releng/p2-photon.target b/org.eclipse.equinox.p2.releng/p2-photon.target
index 08e27e7..1999c43 100644
--- a/org.eclipse.equinox.p2.releng/p2-photon.target
+++ b/org.eclipse.equinox.p2.releng/p2-photon.target
@@ -2,14 +2,14 @@
 <?pde version="3.8"?><target name="p2 - target to develop p2" sequenceNumber="1">
 <locations>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
-<unit id="org.eclipse.core.tests.harness" version="0.0.0"/>
 <unit id="org.eclipse.platform.sdk" version="0.0.0"/>
+<unit id="org.eclipse.core.tests.harness" version="0.0.0"/>
 <unit id="org.eclipse.test.feature.group" version="0.0.0"/>
-<repository location="http://download.eclipse.org/eclipse/updates/4.8milestones"/>
+<repository location="http://download.eclipse.org/eclipse/updates/4.8"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.tukaani.xz" version="1.8.0.v20180207-1613"/>
-<repository location="http://download.eclipse.org/tools/orbit/downloads/drops/S20180302171354/repository"/>
+<repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20180606145124/repository"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="false" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.equinox.http" version="0.0.0"/>