Spanish translation of the tutorials
Finished translation of tutorial 01
removed hello world example code

To avoid duplicates. Users may go to the english version (and links in
the tutorial go to the english version)
code comments translated
Title tags fixed
Finished translation of tutorial 02
Merge pull request #260 from feiss/dev

Tutorials translated to spanish
Merge pull request #261 from cocoademon/platform_riding_fix

Fix riding on platforms
Updated p2.js to latest build.
Merge pull request #247 from cocoademon/trim_fix

Switch method of using trimmed sprites to support scaling and rotation
Updated IE11 check, forces IE11 to use Canvas renderer even in AUTO mode.
New user submitted examples
Sphere snake wip demo
Added Matching Pairs game and updated fixed to camera example.