updated release-notes with v4 release
updated release-notes with v4 release

OmerRaviv/TestStack.BDDfy,JakeGinnivan/TestStack.BDDfy,JakeGinnivan/TestStack.BDDfy,sebgod/TestStack.BDDfy,VanDesu/TestStack.BDDfy,OmerRaviv/TestStack.BDDfy,VanDesu/TestStack.BDDfy,mwhelan/TestStack.BDDfy,sebgod/TestStack.BDDfy,JakeGinnivan/TestStack.BDDfy,mwhelan/TestStack.BDDfy,TestStack/TestStack.BDDfy,TestStack/TestStack.BDDfy