Added ADAMBackend dependencies and initial work.
Fixed up current tests.
Initial VCF support. Added Scala dependency
Added ADAM Tests
Merge remote-tracking branch 'origin/feature/ADAMBackend' into feature/ADAMBackend

Conflicts:
	seqware-qe-testing/src/main/java/io/seqware/queryengine/sandbox/testing/impl/ADAMBackendTest.java
	seqware-qe-testing/src/test/java/io/seqware/queryengine/sandbox/testing/TestADAMBackend.java
Fixing conflicts
Merge branch 'develop' into feature/ADAMBackend
Updated ADAM Implementation. Refactored code, added utils
ADAMBackendTest now uses ReadSearch
Cleanup and refactoring
Added regions query for Picard API
Added logic for multiple bam files
Added index functionality
undo changes
Added support for a blank query
Fixed unit tests.
Removed identical class and moved VCFReader to utils
Add maven repos for ADAM dependencies
Bug fixes and test fixes
Merge remote-tracking branch 'origin/feature/ADAMBackend' into feature/ADAMBackend