Merge branch 'release/0.3.1'
Merge branch 'release/0.4.0'
Merge branch 'release/0.5.0'
Merge branch 'release/0.6.0'
Merge branch 'master' of github.com:twitter/algebird
Make the adaptive matrix java serializable
Merge pull request #318 from twitter/serializableAdaptiveMatrix

Serializable adaptive matrix