Turicreate

Fixes
=====
* Clarify sample code to avoid erroneous bounding boxes when deploying object detectors (1016)
* Restore object detector support for RGBA .PNG files; throw an error for unsupported color spaces (1046)
* Add `SArray.filter_by` (1061)
* Support dictionaries with keys that are tuples (1096)
* Support for nd-array features in supervised learning (1127)
* Fix heat map rendering (1129)
* Resolve JSON parsing bug for JSON input of exactly 128 characters (1134)
* Fix box plot rendering (1179)
* Allow object detector export to set confidence threshold to 0 (1208)
* No longer require npm when building from source (1213)

Fixes
=====
* Add auto-detection of JSON file format for `SFrame.save` (802)
* Allow `SArray` initializer to convert an existing `SArray` to a different type (1070)
* Allow `SFrame.add_column` to accept iterables and to fill with a constant value (1072)

Major Updates

* GPU Acceleration on Macs
* New Task: Style Transfer
* Recommender model deployment
* Vision Feature Print model deployment

Major Updates

* GPU Acceleration on Macs
* New Task: Style Transfer
* Recommender model deployment
* Vision Feature Print model deployment

Fixes

* Fixed critical bug where visualization files were excluded from wheel artifacts, breaking `.show` and `.explore` ( 539 )