update unit test, npm packages, clean#49

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aniaw wants to merge 4 commits intoexercise2from

Commits on Feb 8, 2017

update unit test, npm packages, clean
aniaw
committed

Commits on Apr 4, 2017

Upgrade grunt-protractor-runner, grunt-protractor-webdriver, protractor
Bernard Labno
committed

Commits on Oct 13, 2017

readme fix
Hubert Wilk
committed

Commits on Nov 13, 2017

Merge pull request #64 from bertoven/exercise2-fix
tborowy
authored