Removed unnecessary constraints from core and example feature.xml
diff --git a/releng/features/org.eclipse.ecf.core-feature/feature.xml b/releng/features/org.eclipse.ecf.core-feature/feature.xml
index 7d41568..fd832b3 100644
--- a/releng/features/org.eclipse.ecf.core-feature/feature.xml
+++ b/releng/features/org.eclipse.ecf.core-feature/feature.xml
@@ -26,7 +26,6 @@
    </license>
 
    <requires>
-      <import plugin="org.eclipse.core.runtime"/>
       <import plugin="org.eclipse.equinox.common"/>
       <import plugin="org.eclipse.equinox.registry"/>
       <import plugin="org.eclipse.osgi"/>
@@ -39,11 +38,18 @@
       <import plugin="org.eclipse.equinox.app"/>
       <import plugin="org.jivesoftware.smack" version="2.2.1" match="compatible"/>
       <import plugin="org.eclipse.jface.text"/>
+      <import plugin="org.eclipse.core.runtime"/>
       <import plugin="org.eclipse.ui.editors"/>
       <import plugin="org.eclipse.ui.forms"/>
       <import plugin="org.eclipse.core.expressions"/>
       <import plugin="org.eclipse.ui.console"/>
       <import plugin="org.eclipse.core.filesystem"/>
+      <import plugin="org.eclipse.core.net"/>
+      <import plugin="org.eclipse.ecf.remoteservice"/>
+      <import plugin="org.eclipse.ui.views.properties.tabbed"/>
+      <import plugin="org.eclipse.ecf.ui"/>
+      <import plugin="org.eclipse.ui.ide"/>
+      <import plugin="com.jcraft.jsch"/>
    </requires>
 
    <plugin