core: Use the Singleton mixin for the Core instance
authorManuel Nickschas <sputnick@quassel-irc.org>
Fri, 28 Sep 2018 20:28:33 +0000 (22:28 +0200)
committerManuel Nickschas <sputnick@quassel-irc.org>
Mon, 1 Oct 2018 17:06:49 +0000 (19:06 +0200)
Instead of implementing the instance pointer manually, use the
Singleton mixin.


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