1.5.0

New translation estimators:

• nudged.estimateL
• nudged.estimateX
• nudged.estimateY

Other improvements:

• A slight efficiency improvement in nudged.estimate function.
• Main documentation has been restructured and partly rewritten.
• There is new but yet undocumented method transform.toString() that returns a CSS transform-function string.

Changes in development:

• CI integration is migrated from travis-ci.org to travis-ci.com.
• Git workflow updated, development branch dropped