issue cocos2d#1446: fixed v2.0 version

Author: linshun

cocos2d/build.xml

@@ -6,7 +6,7 @@
 
     <target name="compile_Canvas">
         <jscomp compilationLevel="simple" warning="quiet"
-                debug="false" output="../lib/Cocos2d-html5-min.js">
+                debug="false" output="../lib/Cocos2d-html5-v2.0.min.js">
             <externs dir="${basedir}">
                 <file name="cocos2d_externs.js"/>
             </externs>