diff --git a/documentation/Installation.md b/documentation/Installation.md
index 8c38ded17..a0f7fc33e 100644
--- a/documentation/Installation.md
+++ b/documentation/Installation.md
@@ -1,13 +1,13 @@
 ## Installation
 
 #### Requirements: 
- * Eclipse 4.4.1 (Luna SR1) or later.
+ * Eclipse 4.5 (Mars) or later.
  * Java VM version 8 or later.
  * Go development tools and libraries installed on target machine (http://golang.org/doc/install.html). Currently, only the plan 9 style compilers are supported. GCCGO may be supported in the future
 
 #### Instructions:
  1. Use your existing Eclipse, or download a new Eclipse package from http://www.eclipse.org/downloads/. 
-  * For an Eclipse package without any other IDEs or extras (such a VCS tools), download the ["Platform Runtime Binary"](http://archive.eclipse.org/eclipse/downloads/drops4/R-4.4.1-201409250400/#PlatformRuntime). 
+  * For an Eclipse package without any other IDEs or extras (such a VCS tools), download the ["Platform Runtime Binary"](http://archive.eclipse.org/eclipse/downloads/drops4/R-4.5-201506032000/#PlatformRuntime). 
  1. Start Eclipse, go to `Help -> Install New Software...`
  1. Click the `Add...` button, then enter the Update Site URL: **http://goclipse.github.io/releases/** in the Location field, click OK.
  1. Select the recently added update site in the `Work with:` dropdown. Type `GoClipse` in the filter box. Now the Goclipse feature should appear below.
diff --git a/feature/feature.xml b/feature/feature.xml
index 3d0bc4ccd..c7dfd54b5 100644
--- a/feature/feature.xml
+++ b/feature/feature.xml
@@ -119,7 +119,7 @@ This Agreement is governed by the laws of the State of New York and the intellec
    </license>
 
    <requires>
-      <import feature="org.eclipse.platform" version="4.4.0.v20140925-0400" match="compatible"/>
+      <import feature="org.eclipse.platform" version="4.5.0" match="compatible"/>
       <import feature="org.eclipse.cdt.gnu.dsf" version="8.7.0" match="compatible"/>
       <import feature="org.eclipse.cdt.platform" version="8.7.0" match="compatible"/>
    </requires>
diff --git a/plugin_ide.ui/src-lang/melnorme/lang/ide/ui/editor/structure/LangOutlinePage.java b/plugin_ide.ui/src-lang/melnorme/lang/ide/ui/editor/structure/LangOutlinePage.java
index b85294651..2f0dda46f 100644
--- a/plugin_ide.ui/src-lang/melnorme/lang/ide/ui/editor/structure/LangOutlinePage.java
+++ b/plugin_ide.ui/src-lang/melnorme/lang/ide/ui/editor/structure/LangOutlinePage.java
@@ -113,10 +113,11 @@ protected void treeViewerPostSelectionChanged(SelectionChangedEvent event) {
 	
 	/* ----------------- Show in target ----------------- */
 	
+	@SuppressWarnings("unchecked")
 	@Override
-	public Object getAdapter(Class key) {
-		if (key == IShowInTarget.class) {
-			return getShowInTarget();
+	public <T> T getAdapter(Class<T> adapter) {
+		if(adapter == IShowInTarget.class) {
+			return (T) getShowInTarget();
 		}
 		
 		return null;
diff --git a/releng/ProjectSite-skeleton/releases/compositeArtifacts.xml b/releng/ProjectSite-skeleton/releases/compositeArtifacts.xml
index 07c2d40a3..dbabee6ce 100644
--- a/releng/ProjectSite-skeleton/releases/compositeArtifacts.xml
+++ b/releng/ProjectSite-skeleton/releases/compositeArtifacts.xml
@@ -2,11 +2,11 @@
 <?compositeArtifactRepository version='1.0.0'?>
 <repository name='Goclipse Site' type='org.eclipse.equinox.internal.p2.artifact.repository.CompositeArtifactRepository' version='1'>
   <properties size='2'>
-    <property name='p2.timestamp' value='1411132613223'/>
+    <property name='p2.timestamp' value='1436205714761'/>
     <property name='p2.atomic.composite.loading' value='true'/>
   </properties>
   <children size='2'>
-    <child location='http://download.eclipse.org/releases/luna'/>
+    <child location='http://download.eclipse.org/releases/mars'/>
     <child location='local-repo'/>
   </children>
 </repository>
diff --git a/releng/ProjectSite-skeleton/releases/compositeContent.xml b/releng/ProjectSite-skeleton/releases/compositeContent.xml
index 63517d41b..01f9f88c5 100644
--- a/releng/ProjectSite-skeleton/releases/compositeContent.xml
+++ b/releng/ProjectSite-skeleton/releases/compositeContent.xml
@@ -2,11 +2,11 @@
 <?compositeMetadataRepository version='1.0.0'?>
 <repository name='Goclipse Site' type='org.eclipse.equinox.internal.p2.metadata.repository.CompositeMetadataRepository' version='1'>
   <properties size='2'>
-    <property name='p2.timestamp' value='1411132613276'/>
+    <property name='p2.timestamp' value='1436205714794'/>
     <property name='p2.atomic.composite.loading' value='true'/>
   </properties>
   <children size='2'>
-    <child location='http://download.eclipse.org/releases/luna'/>
+    <child location='http://download.eclipse.org/releases/mars'/>
     <child location='local-repo'/>
   </children>
 </repository>
diff --git a/releng/compositeSite-helper.xml b/releng/compositeSite-helper.xml
index fcf26172b..b2ce4d258 100644
--- a/releng/compositeSite-helper.xml
+++ b/releng/compositeSite-helper.xml
@@ -2,7 +2,7 @@
 <project name="project" >
 
 	<property name="repo.name" value="Goclipse Site" />
-	<property name="repo.dir" value="UpdateSite-skeleton" />
+	<property name="repo.dir" value="ProjectSite-skeleton/releases" />
 
 <!-- 
 ======================================================================
@@ -15,7 +15,7 @@ eclipse -application org.eclipse.ant.core.antRunner -consolelog createCompositeR
 		<p2.composite.repository failOnExists="true">
 			<repository location="${repo.dir}" name="${repo.name}" compressed="false" />
 			<add>
-				<repository location="http://download.eclipse.org/releases/luna" />
+				<repository location="http://download.eclipse.org/releases/mars" />
 				<repository location="local-repo" />
 			</add>
 		</p2.composite.repository>
diff --git a/releng/target-platform/IDE.target b/releng/target-platform/IDE.target
index e230fe8ce..fd45e7e66 100644
--- a/releng/target-platform/IDE.target
+++ b/releng/target-platform/IDE.target
@@ -7,7 +7,10 @@
 <repository location="http://archive.eclipse.org/tools/orbit/downloads/drops/R20130517111416/repository/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
-<unit id="org.eclipse.platform.feature.group" version="4.4.0.v20140925-0400"/>
+<unit id="org.eclipse.platform.feature.group" version="4.5.0.v20150603-2358"/>
+<repository location="http://download.eclipse.org/releases/mars"/>
+</location>
+<location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="planner" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.cdt.platform.feature.group" version="8.7.0.201506070905"/>
 <unit id="org.eclipse.cdt.gnu.dsf.feature.group" version="8.7.0.201506070905"/>
 <repository location="http://download.eclipse.org/releases/mars"/>