Minor reformatting
Adding one more scheme... plus some minor improvments to documentation.
Merge branch 'improve-201310'

Conflicts:
	src/main/java/me/lemire/integercompression/Benchmark.java
	src/main/java/me/lemire/integercompression/IntegratedBinaryPacking.java
	src/test/java/me/lemire/integercompression/BasicTest.java
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