Update oxygen target

Change-Id: I136ec23e13fce825b905022f70db5c39fb45bddf
Signed-off-by: Greg Watson <g.watson@computer.org>
diff --git a/org.eclipse.photran.target/oxygen.target b/org.eclipse.photran.target/oxygen.target
index fca28ad..7bccc72 100644
--- a/org.eclipse.photran.target/oxygen.target
+++ b/org.eclipse.photran.target/oxygen.target
@@ -7,7 +7,7 @@
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="com.google.gson" version="0.0.0"/>
-<repository location="http://download.eclipse.org/tools/orbit/downloads/drops/S20161205183421/repository/"/>
+<repository location="http://download.eclipse.org/tools/orbit/downloads/drops/R20170818183741/repository/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.license.feature.group" version="0.0.0"/>
@@ -15,7 +15,7 @@
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.sdk.ide" version="0.0.0"/>
-<repository location="http://download.eclipse.org/eclipse/updates/4.7milestones/"/>
+<repository location="http://download.eclipse.org/eclipse/updates/4.7/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.cdt.sdk.feature.group" version="0.0.0"/>