[WIP] Update to EAC contracts 1.0.0-beta-4 (#172)

* fix(package): update eac.js-lib to version 2.1.1 (#171)

Closes #167

* Greenkeeper/eac.js lib 2.3.3 (#200)

* Add default economic strategy params (#193)

* Add default economic strategy params

* Expose default + add unit tests

* Test parameters change

* Export as Config.variable

* fix(package): update eac.js-lib to version 2.3.3

Closes #197

* Fix/npm deploy eac (#206)

* fix deploay eac

* fix dependency

* fix the case of missing logger

* fix package-lock