Added angular-drag-and-drop-lists as a dependency

Author: dlabrecq

bower.json

@@ -39,6 +39,7 @@
   "dependencies": {
     "angular": "1.3.0 - 1.5.*",
     "angular-animate": "1.3.0 - 1.5.*",
+    "angular-drag-and-drop-lists": "2.0.0",
     "angular-sanitize": "1.3.0 - 1.5.*",
     "angular-bootstrap": "0.14.x",
     "lodash": "3.x",

package.json

@@ -10,6 +10,7 @@
   "dependencies": {
     "angular": "1.3.0 - 1.5.*",
     "angular-animate": "1.3.0 - 1.5.*",
+    "angular-drag-and-drop-lists": "2.0.0",
     "angular-sanitize": "1.3.0 - 1.5.*",
     "angular-ui-bootstrap": "0.14.x",
     "lodash": "3.x",
@@ -45,9 +46,6 @@
     "nsp": "^2.6.1",
     "patternfly-eng-release": "~3.20.0"
   },
-  "optionalDependencies": {
-    "angular-drag-and-drop-lists": "2.0.0"
-  },
   "scripts": {
     "test": "grunt test"
   },