Add package-lock.json and lock lib-jitsi-meet

package.json

@@ -39,16 +39,16 @@
     "i18next": "8.4.3",
     "i18next-browser-languagedetector": "2.0.0",
     "i18next-xhr-backend": "1.4.2",
-    "jitsi-meet-logger": "jitsi/jitsi-meet-logger",
+    "jQuery-Impromptu": "github:trentrichardson/jQuery-Impromptu#v6.0.0",
+    "jitsi-meet-logger": "github:jitsi/jitsi-meet-logger#6fff754a77a56ab52499f3559105a15886942a1e",
     "jquery": "2.1.4",
     "jquery-contextmenu": "2.4.5",
     "jquery-i18next": "1.2.0",
-    "jQuery-Impromptu": "trentrichardson/jQuery-Impromptu#v6.0.0",
     "jquery-ui": "1.10.5",
     "js-md5": "0.6.1",
     "jssha": "2.2.0",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "jitsi/lib-jitsi-meet",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#408f7377f2c44646b52cfc76dbc6be63304b17d9",
     "lodash": "4.17.4",
     "nuclear-js": "1.4.0",
     "postis": "2.2.0",
@@ -66,12 +66,12 @@
     "react-native-locale-detector": "1.0.1",
     "react-native-prompt": "1.0.0",
     "react-native-vector-icons": "4.4.0",
-    "react-native-webrtc": "jitsi/react-native-webrtc",
+    "react-native-webrtc": "github:jitsi/react-native-webrtc#30a044364ead977ccad0d9da7a806e5e63d92c8d",
     "react-redux": "5.0.6",
     "redux": "3.7.2",
     "redux-thunk": "2.2.0",
     "styled-components": "1.3.0",
-    "url-polyfill": "github/url-polyfill",
+    "url-polyfill": "github:github/url-polyfill#39734186de44612bc5a16eb25f5407adcc5b2e7c",
     "uuid": "3.1.0",
     "xmldom": "0.1.27"
   },
@@ -86,7 +86,7 @@
     "clean-css": "3.4.25",
     "css-loader": "0.28.7",
     "eslint": "4.8.0",
-    "eslint-config-jitsi": "jitsi/eslint-config-jitsi#v0.1",
+    "eslint-config-jitsi": "github:jitsi/eslint-config-jitsi#v0.1",
     "eslint-plugin-flowtype": "2.30.4",
     "eslint-plugin-import": "2.7.0",
     "eslint-plugin-jsdoc": "3.1.3",