Initial Persistence interface and annotation

Signed-off-by: Daniel Bluhm <bluhmdj@ornl.gov>

org.eclipse.ice.dev.annotations/src/main/java/org/eclipse/ice/dev/annotations/IPersistenceHandler.java

@@ -0,0 +1,6 @@
+package org.eclipse.ice.dev.annotations;
+
+public interface IPersistenceHandler {
+	public <T extends IDataElement> void save(T element) throws Exception;
+	public <T extends IDataElement> T findByID(String id) throws Exception;
+}

org.eclipse.ice.dev.annotations/src/main/java/org/eclipse/ice/dev/annotations/Persisted.java

@@ -0,0 +1,13 @@
+package org.eclipse.ice.dev.annotations;
+
+import static java.lang.annotation.ElementType.TYPE;
+import static java.lang.annotation.RetentionPolicy.SOURCE;
+
+import java.lang.annotation.Retention;
+import java.lang.annotation.Target;
+
+@Retention(SOURCE)
+@Target(TYPE)
+public @interface Persisted {
+	String collection();
+}