Move towards NPM for Cornerstone dependencies

Packages/ohif-log/package.js

@@ -4,15 +4,16 @@ Package.describe({
     version: '0.0.1'
 });
 
+Npm.depends({
+    loglevel: '1.4.1'
+});
+
 Package.onUse(function(api) {
     api.versionsFrom('1.4');
 
     api.use('ecmascript');
     api.use('standard-app-packages');
 
-    // Control over logging
-    api.use('practicalmeteor:loglevel');
-
     // Our custom packages
     api.use('ohif:core');