DAR-712, formatting cleanup
DAR-712, remove deprecated dependency
DAR-712, send correct article width to preview module
DAR-712, show proper article width in preview
DAR-712, fix bugs with showing proper article width in preview
DAR-712, refactor preview scaling
Revert "Revert "Merge pull request #1399 from Wikia/DAR-712""

This reverts commit d60f298a0ad30ee6b3ad3500b56741c2adb7ae3f.

Conflicts:
	tests/karma/js-unit.config.js
Merge branch 'dev' into DAR-712
DAR-2182 "fix" for white space below article after CSS scaling + small whitespaces corrects and a comment change
changes after code review
DAR-712 resetting article height when preview is not scaled
Merge pull request #1596 from Wikia/DAR-712

Dar 712