moved start/stop methods from Dependency.java into this new interface; in order to avoid exposing implementation methods in the API

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@887438 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/DependencyActivation.java b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/DependencyActivation.java
new file mode 100644
index 0000000..7bb7546
--- /dev/null
+++ b/dependencymanager/core/src/main/java/org/apache/felix/dm/impl/dependencies/DependencyActivation.java
@@ -0,0 +1,7 @@
+package org.apache.felix.dm.impl.dependencies;
+
+public interface DependencyActivation
+{
+  public void start(DependencyService service);
+  public void stop(DependencyService service);
+}