Reign Theme v2.8.4

= 2.8.4 =
* Enhancement: bp nouveau single activity from course style
* Fix: Sidebar widgets font size update
* Fix: manage font sizes in bp legacy from theme customizer
* Enhancement: Added login and register in the default icon list
* Enhancement: removed extra plugin install
* Enhancement: Activity page badgeos item image type svg style update
* Fix: group widget style update
* Enhancement: Added condition for hiding thumbnail in LD3.0 single course page.