update downloads.mesosphere.io to .com
update downloads.mesosphere.io to .com

motusllc/chronos,lionelnicolas/chronos,mesos/chronos,hamo/chronos,lionelnicolas/chronos,mesos/chronos,debugger87/chronos,erSitzt/chronos,erSitzt/chronos,vixns/chronos,mikkokupsu/chronos,debugger87/chronos,erSitzt/chronos,lionelnicolas/chronos,debugger87/chronos,mikkokupsu/chronos,hamo/chronos,mesos/chronos,vixns/chronos,mikkokupsu/chronos,vixns/chronos,mesos/chronos,lionelnicolas/chronos,motusllc/chronos,hamo/chronos,mikkokupsu/chronos,hamo/chronos,debugger87/chronos,motusllc/chronos,erSitzt/chronos,motusllc/chronos,vixns/chronos