Release 0.15.0

Breaking Changes

None

New Features

Load models at start up in mleap-spring-boot
Add support for Python 3
StringMap transformer - add new optional parameters handleInvalid & defaultValue
Add support for LinearSVC transformer/model

Bug Fixes

Fix Tensorflow bundle writing when transform() method isn't necessarily called
Fix FrameReader reading a very large mleap frame

Improvements

Update xgboost4j and fix databricks runtime
Use openjdk:8-jre-slim as docker base image
Bump urllib3 from 1.23 to 1.24.2 in python package
Add default grpc port to docker config
General documentation improvements

Other Changes

None