Created command categories
Fixes issue in reference models where strings are not sanitized on collection from avro.
Merge pull request #272 from karenfeng/command-categories

Created command categories
Merge pull request #273 from fnothaft/sanitize-reference-name

Fixes issue in reference models where strings are not sanitized on collection from avro.
Adding fixed depth prefix trie implementation, as part of read error correction work.
Merge pull request #268 from fnothaft/prefix-trie

Adding fixed depth prefix trie implementation
Use maven license plugin to ensure source has correct license
Merge pull request #278 from massie/license

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
Merge pull request #279 from genomebridge/simplify-format-source

Simplify format-source
New proposal for ADAMFeature
Merge remote-tracking branch 'upstream/master' into map-attributes

Conflicts:
	adam-cli/src/main/scala/org/bdgenomics/adam/cli/ADAMMain.scala
	adam-core/src/main/scala/org/bdgenomics/adam/converters/ADAMRecordConverter.scala
	adam-core/src/main/scala/org/bdgenomics/adam/models/Attribute.scala
	adam-core/src/main/scala/org/bdgenomics/adam/util/AttributeUtils.scala
	adam-core/src/test/scala/org/bdgenomics/adam/util/AttributeUtilsSuite.scala