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Merge pull request #73 from creativelive/master

Fix btn-primary in safari
Merge branch 'core' into mobile-upcoming-tiles

Conflicts:
	modules/styles.mod/styles/upcoming-tile.less
minor fix for upcoming tiles
bumping version
rename star-button class to action-button to be more generic
add enroll buttons for course tiles - #2977
Merge branch 'master' into release