* added deprecation with unit test
* added deprecation for NoErrorsPlugin in favor of NoEmitOnErrorsPlugin with unit test
* add new NoEmitOnErrorsPlugin to exports and add an extra unit test to check that there is no warning when using it
* added test for NoEmitOnErrorsPlugin in case of error
* git ignore temporary test fixtures
* fix(travis): trying alternate logic for linking packages for yarn
* fix(travis): removing msie flag for appveyor for yarn install
* Update .travis.yml
Update logic for link command
* Update appveyor.yml
Removed logic from AppVeyor since directory is not cached, it will be fresh install and link every time.
* chore(beautify): fixed beauitfy errors not caught from previous PR
* chore(yarn): remove yarn.lock
* chore(gitignore): ignore future yarn.lock files