Merge pull request #1 from qbonnard/carlos

Made it possible to describe rigid bundles of tags
updated chilitags.js to latest release
onAppear now also returns the position of the tag

x,y pixel position of upper left corner of tag
merged worker code into paprika main script
updated phaser to version 2.0.2
new asteroids game added
asteroids bug fix not to run out of bullets
updated phaser to version 2.0.3
asteroids game updated

added ikaruga gameplay (switch between 2 colors)
paprika now starts with a div or video Id
renamed Paprika.onTagUpdate to Paprika.onUpdate
added simple examples for paprika functions