increase the version to 0.11.3 (tensorflow#371)

* increate the version to 0.11.3

* bump core version to 0.11.4

* update layer to 0.6.4

Increase dependency versions (tensorflow#334)

- tfjs-core: 0.11.0 --> 0.11.1
- tfjs-layers: 0.6.1 --> 0.6.2

It should be okay to do this without increasing the version of union
because no npm has been published yet and no git release has been
tagged yet.

Bump version to 0.11.1 (tensorflow#309)

Update union version to 0.11.0. (tensorflow#308)

update version to 0.10.3

Update version to 0.10.2 (tensorflow#223)

Update to 0.10.1. (tensorflow#222)

Bump version to 0.9.1 (tensorflow#186)

Depends on tfjs-layers 0.4.1

Bump version to 0.9.0 (tensorflow#173)

* Bump version to 0.9.0

Depends on
* tfjs-core 0.7.1
* tfjs-layers 0.4.0

Bump version to 0.8.0 (tensorflow#119)

* tfjs-core: 0.6.0 --> 0.6.1
* tfjs-layers: 0.2.0 --> 0.3.0