[ADAM-411] Updated usage aliases in README. Fixes #411.
Merge pull request #412 from laserson/update-alias

[ADAM-411] Updated usage aliases in README. Fixes #411.
Adding 'testFile' to SparkFunSuite

Makes it easier to load files from teh classpath.
Updating the bdg-formats dependency to 0.3.1
[ADAM-381] Fixes Pileup usage in bdg-formats 0.3.1

Removing the usage of now-deleted fields in the new Pileup schema.
[ADAM-327] Adding Gene, Transcript and Exon models