Adds package.json files for our browserify modules.

modules/RTC/package.json

+{
+    "name": "RTC",
+    "version": "0.0.1",
+    "main": "RTC.js",
+    "description": "Provedes media streams and data channels utilities for Jitsi Meet",
+    "dependencies": {
+    }
+}

modules/statistics/package.json

+{
+    "name": "statistics",
+    "version": "0.0.1",
+    "main": "statistics.js",
+    "description": "Statistics module for Jitsi Meet",
+    "dependencies": {
+    }
+}

package.json

   "author": "",
   "readmeFilename": "README.md",
   "dependencies": {
+      "events": "*"
   },
   "devDependencies": {
-    "precommit-hook": "0.3.x"
   },
   "license": "MIT"
 }