build(): fixed issue with peer dependencies in package.json, fixes #4487

package.json

@@ -10,7 +10,7 @@
     "url": "http://github.com/grafana/grafana.git"
   },
   "devDependencies": {
-    "angular2": "2.0.0-beta.0",
+    "angular2": "2.0.0-beta.12",
     "autoprefixer": "^6.3.3",
     "es6-promise": "^3.0.2",
     "es6-shim": "^0.35.0",
@@ -37,7 +37,7 @@
     "grunt-postcss": "^0.8.0",
     "grunt-sass": "^1.1.0",
     "grunt-string-replace": "~1.2.1",
-    "grunt-systemjs-builder": "^0.2.5",
+    "grunt-systemjs-builder": "^0.2.6",
     "grunt-tslint": "^3.0.2",
     "grunt-typescript": "^0.8.0",
     "grunt-usemin": "3.0.0",
@@ -55,8 +55,7 @@
     "reflect-metadata": "0.1.2",
     "rxjs": "5.0.0-beta.2",
     "sass-lint": "^1.5.0",
-    "systemjs": "0.19.20",
-    "zone.js": "0.5.10"
+    "systemjs": "0.19.24"
   },
   "engines": {
     "node": "0.4.x",
@@ -76,7 +75,7 @@
     "lodash": "^2.4.1",
     "remarkable": "^1.6.2",
     "sinon": "1.16.1",
-    "systemjs-builder": "^0.15.7",
+    "systemjs-builder": "^0.15.13",
     "tether": "^1.2.0",
     "tether-drop": "^1.4.2",
     "tslint": "^3.4.0",