Input blocks revision

- add Button and Pin event types
- merge onPinPressed & onPinReleased in new onPinEvent function
- create new onButtonEvent function

sim/state/buttonpair.ts

@@ -1,4 +1,14 @@
 namespace pxsim.input {
+    export function onButtonEvent(button: number, buttonEvent: number, handler: RefAction): void {
+        let b = board().buttonPairState;
+        if (button == b.props.ID_BUTTON_AB && !b.usesButtonAB) {
+            b.usesButtonAB = true;
+            runtime.queueDisplayUpdate();
+        }
+        pxtcore.registerWithDal(button, buttonEvent, handler);
+    }
+
+    // Deprecated
     export function onButtonPressed(button: number, handler: RefAction): void {
         let b = board().buttonPairState;
         if (button == b.props.ID_BUTTON_AB && !b.usesButtonAB) {

sim/state/edgeconnector.ts

@@ -1,4 +1,13 @@
 namespace pxsim.input {
+    export function onPinEvent(pinId: number, pinEvent: number, handler: RefAction) {
+        let pin = getPin(pinId);
+        if (!pin) return;
+        pin.isTouched();
+        runtime.queueDisplayUpdate(); 
+        pxtcore.registerWithDal(pin.id, pinEvent, handler);
+    }
+
+    // Deprecated
     export function onPinPressed(pinId: number, handler: RefAction) {
         let pin = getPin(pinId);
         if (!pin) return;
@@ -7,6 +16,7 @@ namespace pxsim.input {
         pxtcore.registerWithDal(pin.id, DAL.MICROBIT_BUTTON_EVT_CLICK, handler);
     }
 
+    // Deprecated 
     export function onPinReleased(pinId: number, handler: RefAction) {
         let pin = getPin(pinId);
         if (!pin) return;