- using a single JS source for all examples instead of duplicating files unnecessarily.
- updating Gruntfile and package.json to include grunt-concat-sourcemap and grunt-contrib-watch for easier development.
- use "grunt build-debug" to build a source-mapped file to pixi.dev.js -- or use "grunt watch" during development of examples to auto build-debug any JS changes to PIXI source or the example files.
Merge pull request #374 from mattdesl/concat-sourcemaps

Changes to Development Workflow