Prepare for relase: Add CHANGES entry for v2.1
Prepare for relase: Add CHANGES entry for v2.1

OlehKulykov/jansson,slackner/jansson,gameclosure/jansson,chrullrich/jansson,Mephistophiles/jansson,simonfojtu/FireSight,rogerz/jansson,rogerz/jansson,attie/jansson,attie/jansson,bstarynk/jansson,AmesianX/jansson,akheron/jansson,firepick1/jansson,simonfojtu/FireSight,markalanj/jansson,liu3tao/jansson,yahoo/ygloo-external-jansson,Vorne/jansson,gameclosure/jansson,rogerz/jansson,npmccallum/jansson,firepick1/FireSight,AmesianX/jansson,akheron/jansson,firepick-delta/FireSight,wirebirdlabs/featherweight-jansson,chrullrich/jansson,yahoo/ygloo-external-jansson,firepick1/FireSight,Mephistophiles/jansson,markalanj/jansson,bstarynk/jansson,Vorne/jansson,rogerz/jansson,firepick1/jansson,firepick-delta/FireSight,firepick-delta/FireSight,gameclosure/jansson,simonfojtu/FireSight,firepick1/jansson,liu3tao/jansson,wirebirdlabs/featherweight-jansson,markalanj/jansson,bstarynk/jansson,yahoo/ygloo-external-jansson,yahoo/ygloo-external-jansson,OlehKulykov/jansson,akheron/jansson,firepick1/FireSight,slackner/jansson,npmccallum/jansson