Set a default block size if not already defined.
Merge pull request #84 from childsb/bz1010407

Set a default block size if not already defined.
maven release updates to pom
Merge pull request #85 from jayunit100/maven-release

maven release updates to pom: First test of new CI/  !
[ci-skip]
Merge remote-tracking branch 'upstream/master' into multi_vol

Conflicts:
	pom.xml