Adding release scripts.
Merge pull request #89 from fnothaft/add-release-scripts

Adding release scripts.
Updating active region threshold.
Merge pull request #90 from fnothaft/active-region-threshold

Updating active region threshold.
Adding fast aligner.
Merge pull request #91 from fnothaft/fast-aligner

Adding fast aligner.
Merge remote-tracking branch 'upstream/master'