Implement basic logging for successful walkthrough playing
Split logger into its own object
Merge branch 'master' into feature/466-log-walkthrough-play-result

Conflicts:
	compiled.js
	src/javascript/walkthrough/executor.js
Merge branch 'master' into feature/466-log-walkthrough-play-result

Conflicts:
	compiled.js
	walkthrough.css
Send walkthrough parameters to the logger as well
Replace jshint with eslint

Following the Drupal8 recommendation: https://drupal.org/node/2274223
Fix javascript errors detected by eslint.

Interestingly the output of compiledjs didn't change.
Merge pull request #30 from tamasd/master

Adds edit walkthrough link to the edit dialog.
Merge pull request #31 from Coornail/feature/466-log-walkthrough-play-result

Log walkthrough play result
Merge pull request #32 from Coornail/feature/replace-jshint-with-eslint

Feature/replace jshint with eslint
Improve hovering support.
Merge branch 'master' of github.com:Pronovix/WalkHub-resources