Bump plugin-core, v0.2.19
Bump plugin-core, v0.2.19

danehansen/reddit-mobile,devypt/reddit-mobile,muratsu/reddit-mobile,umbrae/reddit-mobile,kieranjones/reddit-mobile,reddit/horse,dwick/horse,uzi/reddit-mobile,curioussavage/reddit-mobile,madbook/reddit-mobile,DogPawHat/reddit-mobile,madbook/reddit-mobile,ajacksified/horse,uzi/reddit-mobile,JordanMilne/reddit-mobile,curioussavage/horse,curioussavage/reddit-mobile,madbook/reddit-mobile,gynsolomon/reddit-mobile,DogPawHat/reddit-mobile,dwick/reddit-mobile,uzi/reddit-mobile