Merge branch 'issue-576-datetime' of https://github.com/c-eiser13/sp-dev-fx-controls-react into c-eiser13-issue-576-datetime

Author: AJIXuMuK

src/controls/dateTimePicker/DateTimePicker.tsx

@@ -128,6 +128,14 @@ export class DateTimePicker extends React.Component<IDateTimePickerProps, IDateT
         if (hoursSplit[1] && hoursSplit[1].toLowerCase().indexOf("pm") !== -1) {
           hours += 12;
           if (hours === 24) {
+            //this is noon - set to 12 not 0
+            //hours = 0;
+            hours = 12;
+          }
+        }
+        else {
+          //am - if hours == 12, set hours to 0 here
+          if (hours == 12){
             hours = 0;
           }
         }