Fixed some code that causes some tests to fail:

* Event NewAccount is only creates a new account with 0 amount of money,
and is moved to system/frame_system. In the test, NewAccount(who, amount)
is now split into NewAccount(who) and Endow(who, amount)

frame/contracts/src/doughnut_integration.rs

@@ -598,12 +598,21 @@ fn delegated_contract_to_runtime_call_executes_with_verifiable_doughnut() {
 		assert_eq!(
 			System::events(),
 			vec![
-				// Events from `Balances::deposit_creating`.
+				EventRecord {
+					phase: Phase::ApplyExtrinsic(0),
+					event: MetaEvent::system(frame_system::RawEvent::NewAccount(ALICE)),
+					topics: vec![],
+				},
 				EventRecord {
 					phase: Phase::ApplyExtrinsic(0),
 					event: MetaEvent::pallet_balances(pallet_balances::RawEvent::Endowed(ALICE, 1_000_000)),
 					topics: vec![],
 				},
+				EventRecord {
+					phase: Phase::ApplyExtrinsic(0),
+					event: MetaEvent::system(frame_system::RawEvent::NewAccount(DJANGO)),
+					topics: vec![],
+				},
 				EventRecord {
 					phase: Phase::ApplyExtrinsic(0),
 					event: MetaEvent::pallet_balances(pallet_balances::RawEvent::Endowed(DJANGO, 1_000_000)),
@@ -618,6 +627,11 @@ fn delegated_contract_to_runtime_call_executes_with_verifiable_doughnut() {
 				},
 
 				// Contract::instantiate
+				EventRecord {
+					phase: Phase::ApplyExtrinsic(0),
+					event: MetaEvent::system(frame_system::RawEvent::NewAccount(BOB)),
+					topics: vec![],
+				},
 				EventRecord {
 					phase: Phase::ApplyExtrinsic(0),
 					event: MetaEvent::pallet_balances(pallet_balances::RawEvent::Endowed(BOB, 100)),
@@ -635,6 +649,11 @@ fn delegated_contract_to_runtime_call_executes_with_verifiable_doughnut() {
 				},
 
 				// Dispatching the call.
+				EventRecord {
+					phase: Phase::ApplyExtrinsic(0),
+					event: MetaEvent::system(frame_system::RawEvent::NewAccount(CHARLIE)),
+					topics: vec![],
+				},
 				EventRecord {
 					phase: Phase::ApplyExtrinsic(0),
 					event: MetaEvent::pallet_balances(pallet_balances::RawEvent::Endowed(CHARLIE, 50)),