updated for upcoming 5.0release
updated for upcoming 5.0release

updated (hope to reuse in official GH release notes soon).
hope I haven't missed any major 5.0 feature @marco-brandizi  @KeywanHP
Rothamsted/knetminer,Rothamsted/knetminer,AjitPS/KnetMiner,Rothamsted/knetminer,AjitPS/KnetMiner,Rothamsted/knetminer,AjitPS/KnetMiner,AjitPS/KnetMiner