add support for library-ids
fix bug where the wrong bit count was used for offset
clarify ordering of bits in ReadHeadInfo.makeUUID
Merge remote-tracking branch 'origin/genomix/fullstack_genomix' into wbiesing/add-support-for-library-ids

Conflicts:
	genomix/genomix-
data/src/main/java/edu/uci/ics/genomix/data/types/ReadHeadSet.java
Merge pull request #96 from uci-cbcl/wbiesing/add-support-for-library-ids

add support for library-ids