expose fromByteBuffer in HyperLogLog
fixes and tests for HyperLogLog.fromByteBuffer
added HyperLogLogMonoid.batchCreate for efficient construction over existing collections of items
Merge branch 'develop' of https://github.com/twitter/algebird into hll-byte-buffer
add trivial unrelated comment to wake up Travis
Merge pull request #101 from asiegel34/hll-byte-buffer

expose fromByteBuffer in HyperLogLog