[plugin.xml] update license tag

plugin.xml

@@ -14,6 +14,8 @@
 
     <asset src="www/barcodescanner.js" target="barcodescanner.js" />
 
+    <license>MIT</license>
+
     <!-- ios -->
     <platform name="ios">
 		<plugins-plist key="BarcodeScanner" string="CDVBarcodeScanner" />
@@ -268,26 +270,4 @@
         <source-file src="src/android/LibraryProject/res/values-zh-rTW/strings.xml" target-dir="res/values-zh-rTW"/>
 
     </platform>
-
-    <license>
-        Copyright (c) 2012 Adobe Software Inc.
-
-        Permission is hereby granted, free of charge, to any person obtaining a copy
-        of this software and associated documentation files (the "Software"), to deal
-        in the Software without restriction, including without limitation the rights
-        to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-        copies of the Software, and to permit persons to whom the Software is
-        furnished to do so, subject to the following conditions:
-
-        The above copyright notice and this permission notice shall be included in
-        all copies or substantial portions of the Software.
-
-        THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-        IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-        FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-        AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-        LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-        OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-        THE SOFTWARE.
-    </license>
 </plugin>