Added Concurrently module

Author: meetdave3

package.json

@@ -36,7 +36,6 @@
     "bootstrap": "^3.3.7",
     "core-js": "^2.4.1",
     "express": "^4.16.2",
-    "mongoose": "^5.0.4",
     "path": "^0.12.7",
     "request": "^2.83.0",
     "rxjs": "^6.1.0",
@@ -51,6 +50,7 @@
     "@types/jasminewd2": "~2.0.2",
     "@types/node": "~6.0.60",
     "codelyzer": "^4.3.0",
+    "concurrently": "^3.5.0",
     "jasmine-core": "~2.6.2",
     "jasmine-spec-reporter": "~4.1.0",
     "karma": "~1.7.0",