Update dependencies for Photon M6

* Except Orbit

Change-Id: Ia7c95f249f46daea36762ff891f723b18302d3f1
diff --git a/parent/pom.xml b/parent/pom.xml
index f734810..5330fb1 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -14,10 +14,10 @@
 		<tycho-extras-version>${tycho-version}</tycho-extras-version>

 		<jboss-tycho-plugins-version>0.22.0</jboss-tycho-plugins-version>

 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

-		<platform-site>http://download.eclipse.org/eclipse/updates/4.8milestones/S-4.8M5-201801242000/</platform-site>

+		<platform-site>http://download.eclipse.org/eclipse/updates/4.8milestones/S-4.8M6-201803080630/</platform-site>

 		<orbit-site>http://download.eclipse.org/tools/orbit/downloads/drops/S20180119201206/repository/</orbit-site>

 		<gef-site>http://download.eclipse.org/tools/gef/updates/legacy/releases/4.0.0_gef-master_1952/</gef-site>

-		<emf-site>http://download.eclipse.org/modeling/emf/emf/builds/milestone/S201801231215/</emf-site>

+		<emf-site>http://download.eclipse.org/modeling/emf/emf/builds/milestone/S201803080939/</emf-site>

 		<emf-transactions-site>http://download.eclipse.org/modeling/emf/transaction/updates/milestones/S201801291557/</emf-transactions-site>

 		<emf-validation-site>http://download.eclipse.org/modeling/emf/validation/updates/milestones/S201801291608/</emf-validation-site>

 		<swtbot-site>http://download.eclipse.org/technology/swtbot/releases/2.6.0/</swtbot-site>

diff --git a/releng/org.eclipse.graphiti.releng/build.rmap b/releng/org.eclipse.graphiti.releng/build.rmap
index a512fe6..c34a70b 100644
--- a/releng/org.eclipse.graphiti.releng/build.rmap
+++ b/releng/org.eclipse.graphiti.releng/build.rmap
@@ -64,7 +64,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" readerType="p2" source="false" mutable="false">

       <rm:property key="buckminster.source" value="false"/>

       <rm:property key="buckminster.mutable" value="false"/>

-      <rm:uri format="{0}/eclipse/updates/4.8milestones/S-4.8M5-201801242000/">

+      <rm:uri format="{0}/eclipse/updates/4.8milestones/S-4.8M6-201803080630/">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>

@@ -73,7 +73,7 @@
     <rm:provider componentTypes="eclipse.feature,osgi.bundle" readerType="p2" source="false" mutable="false">

       <rm:property key="buckminster.source" value="false"/>

       <rm:property key="buckminster.mutable" value="false"/>

-      <rm:uri format="{0}/modeling/emf/emf/builds/milestone/S201801231215/">

+      <rm:uri format="{0}/modeling/emf/emf/builds/milestone/S201803080939/">

         <bc:propertyRef key="eclipse.downloads"/>

       </rm:uri>

     </rm:provider>