Merge pull request #2 from baleboy/master

Add a .bowerrc file and explicitly specify the bower install folder
Make the manifest work for hosted apps
Start using Grunt
Update to newest Polymer and incorporate new features
Update WebGL design/graphics
Remove non-used WebGL file and move to GeometryBuffer to save mem
Clean up the mandelbrot code a bit and remove dead code
Varies fixes and cleanups in mandelbrot code
Fix icons in manifest.json
Make Mandelbrot show up on mobile
Fix layout of cards to fit the size of contents. Works on beta Chrome, not release :-(
Misc fixed: Fix overlay to be the right size, fix padding, update icon positions
Refactoring
Make brand color global
Handle color of titles as well
Refactoring: moving files around
Use core-narrow styled toolbars on 'mobile'
Add flocking bird demo
Adding missing files
Missing file