Gulp was added. All build tasks were moved to Gulp.
Adjust gulpfile to support build version replcement for background images in css.
Change gulpfile: remove versioning for settings.js file.
Build version attribute for fonts.
Add versionning to data.js, publishSettings.js, settings.js.
Drop IE10 support #37
Merge pull request #38 from vasyl-ivanchuk/master

Gulp was added. All build tasks were moved to Gulp. Versionning transformation task was implemented.
Merge remote-tracking branch 'upstream/master'