Spine-json-lib

Feature
* Force checking for required attributes ([`430f739`](https://github.com/socialpoint-labs/spine-json-lib/commit/430f73935fb75f64b8710222c59adc191a567ab9))

Fix
* Remove default offset of 0 in draworders ([`b4b51f1`](https://github.com/socialpoint-labs/spine-json-lib/commit/b4b51f1006d1112173a1f5332bc9f24ee49e8090))

Fix
* Remove travis config file ([`f6a2f31`](https://github.com/socialpoint-labs/spine-json-lib/commit/f6a2f310b5679fd9c0a7131c3c31e0ea887e6525))

Feature
* Support adding scale in name of Slots and Bones ([`81c0f07`](https://github.com/socialpoint-labs/spine-json-lib/commit/81c0f0723625c8dca49a592c151a3502a9388200))

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* Automatically package uploads on releases
* blacked source code and flake8 passing


Changelog

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