Modified test_NoiseInvarienceExperiment to pass on Java 1.7
more of the same
modified FormatterTest to be SetEqualityTest
converted setup method in TemporalPoolerTest to use sets
Removed out FormatterTest.java (will always fail on Java 1.8)
Changed Comments
added out folder to ignore
moved noise invariance experiment to the bottom and added info to how to contribute
updated code example
Merge branch 'feature-simplify_readme' into develop