Fixed build

Added a package import to account for changes in EAVP.
Signed-off-by: Robert Smith <smithrw@ornl.gov>

org.eclipse.ice.item/META-INF/MANIFEST.MF

@@ -14,6 +14,7 @@ Import-Package: com.google.common.collect;version="10.0.1",
  org.eclipse.eavp.viz.modeling,
  org.eclipse.eavp.viz.modeling.base,
  org.eclipse.eavp.viz.service.mesh.datastructures,
+ org.eclipse.emf.common.util,
  org.eclipse.ice.datastructures.ICEObject,
  org.eclipse.ice.datastructures.componentVisitor,
  org.eclipse.ice.datastructures.form,