Update some web assets. Also change bower.json so bower can automatically fetch

newer minor or patch releases for the assets. Commit ready for merge.
 - Legacy-Id: 10763

ietf/bower.json

@@ -4,16 +4,16 @@
   "ignore": [],
   "main": [],
   "dependencies": {
-    "bootstrap-datepicker": "1.5.0",
-    "d3": "3.5.10",
-    "font-awesome": "4.5.0",
-    "html5shiv": "3.7.3",
-    "jquery": "1.11.3",
-    "jquery.cookie": "1.4.1",
-    "jquery.tablesorter": "2.25.0",
-    "respond": "1.4.2",
-    "select2": "3.5.4",
-    "select2-bootstrap-css": "1.4.6"
+    "bootstrap-datepicker": "~1",
+    "d3": "~3",
+    "font-awesome": "~4",
+    "html5shiv": "~3",
+    "jquery": "~1",
+    "jquery.cookie": "~1",
+    "jquery.tablesorter": "~2",
+    "respond": "~1",
+    "select2": "~3",
+    "select2-bootstrap-css": "~1"
   },
   "devDependencies": {},
   "overrides": {