HTML5 - fixed long string at cc box

[HTML5 Client] Initial Acceptance Tests Setup

[HTML5] String refs to callback refs

Merge remote-tracking branch 'origin/x0-userlist-accessibility-bug-fixes' into x0-userlist-accessibility-suggestions

HTML5 - Chat links fix

This commit prevents logging with Enter key from happening in Firefox tests. There's a well-known bug associated with browser.keys() on Firefox. We add an additional check to the Login test specs to prevent that from happening.

Simplify the command inside the test npm script (all bins are already in the PATH when we use npm scripts)

[HTML5] Migrate from JSCS to ESLint

[HTML5] Updated npm packages

This commit does the following updates:
- fixes the misprint that prevented Chrome from being installed
- removes the step of creating the `tools` directory (we don't need this anymore, since the directory is commited now)