update BarcodeScanner plugin for 2.5.0+

+ upped version to 0.3.0

plugin.xml

@@ -2,7 +2,7 @@
 <plugin xmlns="http://www.phonegap.com/ns/plugins/1.0"
     xmlns:android="http://schemas.android.com/apk/res/android"
     id="com.phonegap.plugins.barcodescanner"
-    version="0.2.1">
+    version="0.3.1">
 
     <name>BarcodeScanner</name>
 
@@ -12,6 +12,11 @@
     <platform name="ios">
 		<plugins-plist key="BarcodeScanner" string="CDVBarcodeScanner" />
 		
+        <!-- Cordova >= 2.3 -->
+        <config-file target="config.xml" parent="plugins">
+            <plugin name="BarcodeScanner" value="CDVBarcodeScanner"/>
+        </config-file>
+
 		<resource-file src="scannerOverlay.xib" />
 
         <header-file src="zxing-all-in-one.h" />
@@ -38,7 +43,7 @@
                 value="com.phonegap.plugins.barcodescanner.BarcodeScanner"/>
         </config-file>
 
-        <config-file target="res/xml/config.xml" parent="/cordova/plugins">
+        <config-file target="res/xml/config.xml" parent="plugins">
             <plugin name="BarcodeScanner"
                 value="com.phonegap.plugins.barcodescanner.BarcodeScanner"/>
         </config-file>

src/android/com/phonegap/plugins/barcodescanner/BarcodeScanner.java

@@ -121,7 +121,7 @@ public class BarcodeScanner extends Plugin {
                     //Log.d(LOG_TAG, "This should never happen");
                 }
                 this.success(new PluginResult(PluginResult.Status.OK, obj), this.callback);
-            } if (resultCode == Activity.RESULT_CANCELED) {
+            } else if (resultCode == Activity.RESULT_CANCELED) {
                 JSONObject obj = new JSONObject();
                 try {
                     obj.put(TEXT, "");

src/ios/CDVBarcodeScanner.mm

@@ -300,7 +300,7 @@ parentViewController:(UIViewController*)parentViewController
 - (NSString*)setUpCaptureSession {
     NSError* error = nil;
     
-    AVCaptureSession* captureSession = [[AVCaptureSession alloc] init];
+    AVCaptureSession* captureSession = [[[AVCaptureSession alloc] init] autorelease];
     self.captureSession = captureSession;
     
     AVCaptureDevice* device = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];