Adding fixed depth prefix trie implementation, as part of read error correction work.
Use maven license plugin to ensure source has correct license
Simplify format-source

Only create a single Maven instance, and provide multiple goals to it
New proposal for ADAMFeature
Added clarifying note to ADAMVariantContext
Implemented HTTPRangedByteAccess.

- HTTPRangedByteAccess supports HTTP range requests for ranges of
  resources. Includes a test that executes against a few bytes of the
  test mouse chromosome on the berkeley server.
- Added a new TestTags and moved the "NetworkConnected" ones into that
- Running the "networkconnected" profile as part of the Jenkins test
Minor cleanup on interleaved FASTQ input format. Added dependency which is necessary for running downstream.
fix refname comment
Removing ADAM format directory, and updating avro data file path and pom.xmls for bdg-formats move.
Cleaning up build warnings.
Refactoring read groups to increase the amount of data stored.
Removing some debug printout that was left in...
Adding further exclusions to clean up issues that make it difficult to run downstream jobs with hadoop versions other than 2.2
Add ADAMFeature to Kryo registrator
Modifying interleaved fastq format to be hadoop version independent.
Cleaning up scaladoc generation warnings.
Add aggregation and display of metrics obtained from Spark

This change adds an new command-line option called "print_metrics" which causes a listener to be registered with Spark, which accumulates metrics when each task and stage end. When a command is complete the metrics are logged to stdout.
Running ./scripts/format-source on files checked-in by previous commit (498d8377651d21e86ff642071e6c9b1d585db4cc)
Logging metrics to the Spark logger instead of stdout
Set a larger output buffer for printing metrics