Added missing comma from activity.js
Added missing comma from activity.js

j-bernardo/lumify,lumifyio/lumify,bings/lumify,lumifyio/lumify,bings/lumify,j-bernardo/lumify,RavenB/lumify,RavenB/lumify,lumifyio/lumify,bings/lumify,lumifyio/lumify,j-bernardo/lumify,lumifyio/lumify,j-bernardo/lumify,bings/lumify,RavenB/lumify,j-bernardo/lumify,RavenB/lumify,RavenB/lumify,bings/lumify