Commented out 2 especially slow JSON backends, to limit runtimes (unfortunately we don't use fixed-time test, but fixed iterations)
Makefile: Unbreak Cygwin detection (escape the '$')
Fix Eclipse .classpath to refer to current libraries.
Merge pull request #38 from stevenschlansker/fix-eclipse-project

Fix Eclipse .classpath to refer to current libraries.
Added javax.json (JSR353) with the default implementation from the
glassfish project.
Reworked javax.json class structure to easily test different
implementation of javax.json.
Added new benchmark for javax.json streaming.
Renamed glassfish tree benchmark.
Fixed BenchmarkRunner.