Adopt JointJS 2.1.2

package.json

@@ -41,11 +41,12 @@
   },
   "dependencies": {
     "@types/codemirror": "0.0.45",
-    "@types/jointjs": "1.0.4",
     "@types/lodash": "4.14.73",
+    "@types/backbone": "1.3.42",
     "codemirror": "5.28.0",
-    "jointjs": "1.0.3",
+    "jointjs": "2.1.2",
     "lodash": "3.10.1",
+    "jquery": "3.1.1",
     "ts-disposables": "2.2.3",
     "postinstall-build": "5.0.1"
   },
@@ -90,11 +91,12 @@
     "typescript": "2.5.3",
     "zone.js": "0.8.18",
     "@types/codemirror": "0.0.45",
-    "@types/jointjs": "1.0.4",
     "@types/lodash": "4.14.73",
+    "@types/backbone": "1.3.42",
     "codemirror": "5.28.0",
-    "jointjs": "1.0.3",
+    "jointjs": "2.1.2",
     "lodash": "3.10.1",
+    "jquery": "3.1.1",
     "ts-disposables": "2.2.3",
     "jshint": "2.6.3"
   },
@@ -107,6 +109,7 @@
     "@types/lodash",
     "codemirror",
     "jointjs",
+    "jquery",
     "lodash",
     "ts-disposables",
     "@angular/common",