Update Angular and UI Bootstrap to latest versions.

This updates `angular` and `angular-ui-bootstrap` to their latest
versions. Upcoming changes rely on several bugfixes and features
introduced in the newer versions, and this should encompass all of
the necessary preparation.

Change-Id: Iddc210ef64e913babbbd409747fecf3bbd8f2d5e

app/views/menu.html

@@ -2,11 +2,11 @@
     <li>
         <a ui-sref="home"><fa name="pie-chart" fw></fa> Overview</a>
     </li>
-    <li dropdown>
-        <a href dropdown-toggle>
+    <li uib-dropdown>
+        <a href uib-dropdown-toggle>
             <fa name="bar-chart-o" fw></fa> Tempest <fa name="caret-down"></fa>
         </a>
-        <ul class="dropdown-menu">
+        <ul uib-dropdown-menu>
             <li>
                 <a ui-sref="timeline({datasetId: 0})">
                     <fa name="calendar" fw></fa> Timeline

package.json

@@ -6,11 +6,11 @@
   "repository": "none",
   "license": "Apache 2.0",
   "devDependencies": {
-    "angular": "^1.3.15",
+    "angular": "^1.4.8",
     "angular-fontawesome": "^0.4.0",
-    "angular-mocks": "^1.3.15",
-    "angular-ui-bootstrap": "^0.13.3",
-    "angular-ui-router": "^0.2.13",
+    "angular-mocks": "^1.4.8",
+    "angular-ui-bootstrap": "^1.0.0",
+    "angular-ui-router": "^0.2.15",
     "babelify": "^5.0.4",
     "bootstrap": "^3.3.5",
     "brfs": "^1.2.0",
@@ -69,6 +69,5 @@
     "postinstall": "if [ ! -d .venv ]; then tox -epy27 --notest; fi",
     "test": "gulp unit",
     "lint": "eslint ./"
-  },
-  "dependencies": {}
+  }
 }