IE10 compatibility: adding console.debug

Support for console.debug was added in IE11
http://msdn.microsoft.com/en-us/library/ie/dn265066(v=vs.85).aspx

app/initialize.coffee

@@ -20,6 +20,7 @@ definitionSchemas =
   'misc': require './schemas/definitions/misc'
 
 init = ->
+  setupConsoleLogging()
   watchForErrors()
   setUpIOSLogging()
   path = document.location.pathname
@@ -86,6 +87,11 @@ initializeServices = ->
     service = require service
     service()
 
+setupConsoleLogging = ->
+  unless console.debug
+    # Needed for IE10 and earlier
+    console.debug = console.log
+
 watchForErrors = ->
   currentErrors = 0
   window.onerror = (msg, url, line, col, error) ->