Fixing syntax errors so the demo can run.
check number of max number of samples in addition to availability of
multisampling extension to make sure that no MSAA renderbuffer is
created, fixes #1644
Cleaning up whitespace.
Adding comment for display, emphasizing inheritance.
Refactoring unnecessary if statement.
Incorporating random CrazyParticle addition and refactoring logic in dead.
Merge pull request #1646 from ybakos/example_ParticleSystem

Example particle system
no longer call super.beginDraw() because it may allocate memory
updated todo list
add ignore for jre.tgz on linux
Fixes #1641