Merge pull request phaserjs#4781 from rexrainbow/export-modules

Expose BaseCamera module

Author: photonstorm

src/cameras/2d/index.js

@@ -11,6 +11,7 @@
 module.exports = {
 
     Camera: require('./Camera'),
+    BaseCamera: require('./BaseCamera'),
     CameraManager: require('./CameraManager'),
     Effects: require('./effects'),
     Events: require('./events')