Add hslua-aeson, change hslua maintainer
Add hslua-aeson, change hslua maintainer

Maintainership of hslua was discussed in issue osa1/hslua#44 and
osa1/hslua#42. Many thanks to @juhp for stepping in while the project
was unmaintained.

k0ral/stackage,phaazon/stackage,massysett/stackage,asr/stackage,int-index/stackage,michalkonecny/stackage,spencerjanssen/stackage,soenkehahn/stackage,ethercrow/stackage,mgajda/stackage,Daniel-Diaz/stackage,simonmichael/stackage,athanclark/stackage,creichert/stackage,iand675/stackage,Shimuuar/stackage,mrkkrp/stackage,wereHamster/stackage,fpco/stackage,fimad/stackage,judah/stackage,clinty/stackage,peti/stackage,jonschoning/stackage,ygale/stackage,stackbuilders/stackage,mstksg/stackage,alanz/stackage,GregorySchwartz/stackage,garetxe/stackage,lwm/stackage