update tests from deprecated syntax
Merge pull request #146 from hammerlab/matchers

Update tests from deprecated syntax
Merge remote-tracking branch 'origin/master' into option-ify

Conflicts:
	src/test/scala/org/bdgenomics/guacamole/DistributedUtilSuite.scala
	src/test/scala/org/bdgenomics/guacamole/ReadSuite.scala
	src/test/scala/org/bdgenomics/guacamole/TestUtil.scala
	src/test/scala/org/bdgenomics/guacamole/callers/SomaticLogOddsVariantCallerSuite.scala
add comment to CanSerializeMatePropertiesOption