tidy up internal classes move them to non exported packages or reduce class visibility


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@992335 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/sigil/eclipse/core/plugin.xml b/sigil/eclipse/core/plugin.xml
index 8e61c12..3b14335 100644
--- a/sigil/eclipse/core/plugin.xml
+++ b/sigil/eclipse/core/plugin.xml
@@ -25,7 +25,7 @@
    <extension
          point="org.eclipse.core.expressions.propertyTesters">
       <propertyTester
-            class="org.apache.felix.sigil.eclipse.property.SigilPropertyTester"
+            class="org.apache.felix.sigil.eclipse.internal.property.SigilPropertyTester"
             id="org.apache.felix.sigil.property.SigilPropertyTester"
             namespace="org.apache.felix.sigil"
             properties="isSigilProject"