Merge pull request #377 from Esri/jared/conn_warning_fix_vnext

fixes warnings in toolkit.

Author: jared-2016

Examples/AR/QmlArExample/qml/main.qml

@@ -50,7 +50,7 @@ ApplicationWindow {
         // Connect to the locationChanged signal, to update the QML messages
         Connections {
             target: arcGISArView.locationDataSource
-            onLocationChanged: {
+            function onLocationChanged(location) {
                 if (!tabletopMode)
                     waitingForInitialization = false;
             }

Import/Esri/ArcGISRuntime/Toolkit/Controls/Callout.qml

@@ -280,7 +280,7 @@ Item {
     Connections {
         id: calloutConnection
         target: calloutData
-        onScreenPointChanged: {
+        function onScreenPointChanged() {
             anchorPointx = calloutData.screenPoint.x;
             anchorPointy = calloutData.screenPoint.y;
 
@@ -293,7 +293,7 @@ Item {
                 showCallout();
         }
 
-        onVisibleChanged: {
+        function onVisibleChanged() {
             if (calloutData.visible) {
                 showCallout();
             }
@@ -302,7 +302,7 @@ Item {
             }
         }
 
-        onTitleChanged: {
+        function onTitleChanged() {
             if (calloutVisible)
                 showCallout();
         }

Import/Esri/ArcGISRuntime/Toolkit/Controls/OverviewMap20.qml

@@ -89,7 +89,7 @@ Item {
     Connections {
         target: parentMapview
 
-        onVisibleAreaChanged: {
+        function onVisibleAreaChanged() {
             updateView();
         }
     }

Import/Esri/ArcGISRuntime/Toolkit/Controls/StyleButton20.qml

@@ -95,12 +95,12 @@ Button {
 
             Connections {
                 target: control
-                onPressedChanged: {
+                function onPressedChanged() {
                     if (control.pressed)
                         fader.start();
                 }
 
-                onHoveredChanged: {
+                function onHoveredChanged() {
                     if (control.hovered)
                         fader.stop();
                     else

Import/Esri/ArcGISRuntime/Toolkit/Dialogs/AuthenticationView.qml

@@ -105,7 +105,7 @@ Item {
     Connections {
         target: authenticationManager
 
-        onAuthenticationChallenge: {
+        function onAuthenticationChallenge(challenge) {
             authChallenge = challenge;
 
             if (Number(challenge.authenticationChallengeType) === 1) {

Import/Esri/ArcGISRuntime/Toolkit/Dialogs/ClientCertificateView.qml

@@ -415,7 +415,7 @@ Rectangle {
     Connections {
         target: authView.authenticationManager
 
-        onClientCertificatePasswordRequired: {
+        function onClientCertificatePasswordRequired(certificate) {
             certificatePasswordPage.certificateFile = certificate;
 
             certificateFilename = certificatePasswordPage.certificateFile.toString().split("/").pop();