Changes

Summary

1. Allow using reactions on system messages  (#1407) (commit: d0d97de) (details)

Commit d0d97de696255abcff80cae631a12fbad45538cd by noreply Allow using reactions on system messages  (#1407) (commit: d0d97de)
	src/main/java/net/dv8tion/jda/api/entities/Message.java (diff)
	src/main/java/net/dv8tion/jda/internal/entities/SystemMessage.java (diff)