Added a pretty 'forward' button
Merge branch 'master' of https://github.com/pelikanchik/edx-platform
Merge branch 'master' of https://github.com/pelikanchik/edx-platform

Conflicts:
	lms/static/js/sticky-go-button.js
	lms/static/sass/course/courseware/_courseware.scss
	lms/templates/seq_module.html