Creating ohif:metadata package with metadata classes and adding it to the viewers

LesionTracker/.meteor/packages

@@ -35,6 +35,7 @@ ohif:dicom-services
 ohif:hanging-protocols
 ohif:user-management
 ohif:lesiontracker
+ohif:metadata
 
 accounts-base@1.2.14
 accounts-password@1.3.3

LesionTracker/.meteor/versions

@@ -95,6 +95,7 @@ ohif:hanging-protocols@0.0.1
 ohif:lesiontracker@0.0.1
 ohif:log@0.0.1
 ohif:measurements@0.0.1
+ohif:metadata@0.0.1
 ohif:study-list@0.0.1
 ohif:user-management@0.0.1
 ohif:viewerbase@0.0.1