Add, require jquery-migrate for old jQ API shim

Warn rather than error.

Signed-off-by: Alex Coles <alex@alexbcoles.com>

app/assets/javascripts/application.js.erb

@@ -11,6 +11,7 @@
 // GO AFTER THE REQUIRES BELOW.
 //
 //= require jquery
+//= require jquery-migrate/jquery-migrate
 //= require jquery-ujs
 //= require jquery-ui
 //= require jquery-ui/ui/i18n/jquery-ui-i18n

bower.json

@@ -12,7 +12,8 @@
     "angular-animate": "~1.2.14",
     "angular-ui-select2": "latest",
     "angular-ui-date": "latest",
-    "angular-i18n": "~1.3.0"
+    "angular-i18n": "~1.3.0",
+    "jquery-migrate": "~1.2.1"
   },
   "devDependencies": {
     "mocha": "~1.14.0",