First pass at a Hanging Protocol implementation and editor (LT-131)

Packages/hangingprotocols/log.js

@@ -0,0 +1,3 @@
+// Create package logger using loglevel
+// https://atmospherejs.com/spacejamio/loglevel
+log = loglevel.createPackageLogger('hangingprotocols', defaultLevel = 'info');