Change to IntervalListTools to use the new padded() methods in IntervalList.
Change to IntervalListTools to use the new padded() methods in IntervalList.

annkupi/picard,broadinstitute/picard,broadinstitute/picard,broadinstitute/picard,broadinstitute/picard,alecw/picard,nh13/picard,annkupi/picard,alecw/picard,nh13/picard,alecw/picard,annkupi/picard,annkupi/picard,alecw/picard,broadinstitute/picard,nh13/picard,nh13/picard