Work on refactoring measurements out of Lesion Tracker package

- Removed AssociatedStudies Collection
- Measurement API is generated from configuration files
- Data exchange methods are defined in configuration

Packages/ohif-study-list/both/lib/getCurrentServer.js

@@ -0,0 +1,15 @@
+import { CurrentServer, Servers } from 'meteor/ohif:study-list/both/collections.js';
+/**
+ * Retrieves the current server configuration used to retrieve studies
+ */
+getCurrentServer = () => {
+    const currentServer = CurrentServer.findOne();
+
+    if (!currentServer) {
+        return;
+    }
+
+    const serverConfiguration = Servers.findOne({ _id: currentServer.serverId });
+
+    return serverConfiguration;
+};