upgrade to processing 2.1

[longbai]

use processing 2.1

[rictic]

Thanks for the pull request.

Ideally we'd use a build system that pulled in requirements dynamically, but this is a good incremental change.

[dwo]

Has anyone else seen this change cause an Exception like this?

Exception in thread "Animation Thread" java.lang.IllegalAccessError: tried to access field processing.core.PFont.size from class code_swarm
    at code_swarm.drawLegend(code_swarm.java:537)
    at code_swarm.draw(code_swarm.java:426)
    at processing.core.PApplet.handleDraw(PApplet.java:2306)
    at processing.core.PGraphicsJava2D.requestDraw(PGraphicsJava2D.java:243)
    at processing.core.PApplet.run(PApplet.java:2177)
    at java.lang.Thread.run(Thread.java:744)

[longbai]

@dwo you need update the code_swarm.java, please reference the PR file code_swarm.java line 537

[dwo]

@longbai hey, I was running from master with that change on code_swarm.java, getSize() instead of size, right? I could open a separate issue.

[longbai]

@dwo yes, processing 2.1 changed it to private

[dwo]

@longbai my issue is that I still get that error on the current master, even with using getSize().

[dwo]

this is probably because I haven't rebuilt the code_swarm jar, sorry for the trouble.