Release 3.16.0

Release 3.15.5

Intended license was LGPLv3  so formalize that, and explicitly mentio…

…n that the SFST-derived files are used under LGPLv3  agreement (closes #494)

accoring -> according

Release 3.15.2

Fix Travis

Release 3.15.0

Release 3.14.0

Release 3.13.0

Release 3.12.2