bug fixes

https://www.pivotaltracker.com/n/projects/1265056/stories/87395458

mix/qml/StateDialog.qml

@@ -167,6 +167,7 @@ Window {
 					onClicked: transactionsModel.editTransaction(index)
 				}
 				ToolButton {
+					visible: !transactionsModel.get(index).executeConstructor
 					text: qsTr("Delete");
 					Layout.fillHeight: true
 					onClicked: transactionsModel.deleteTransaction(index)

mix/qml/StateList.qml

@@ -48,6 +48,7 @@ Rectangle {
 					onClicked: list.model.editState(index);
 				}
 				ToolButton {
+					visible: !list.model.isDefaultState(index)
 					text: qsTr("Delete");
 					Layout.fillHeight: true
 					onClicked: list.model.deleteState(index);

mix/qml/StateListModel.qml

@@ -176,6 +176,11 @@ Item {
 				runState(defaultStateIndex);
 		}
 
+		function isDefaultState(index)
+		{
+			return index === defaultStateIndex;
+		}
+
 		function runState(index) {
 			var item = stateList[index];
 			clientModel.setupState(item);