Merge pull request cocos2d#3098 from VisualSJ/develop-CMD

Update build.xml

Author: pandamicro

tools/build.xml

@@ -273,6 +273,9 @@
                 <file name="extensions/cocostudio/timeline/ActionTimeline.js"/>
                 <file name="extensions/cocostudio/timeline/Frame.js"/>
                 <file name="extensions/cocostudio/timeline/Timeline.js"/>
+                <file name="extensions/cocostudio/timeline/CCSkinNode.js"/>
+                <file name="extensions/cocostudio/timeline/CCBoneNode.js"/>
+                <file name="extensions/cocostudio/timeline/CCSkeletonNode.js"/>
                 <file name="extensions/cocostudio/loader/load.js"/>
                 <file name="extensions/cocostudio/loader/parsers/action-1.x.js"/>
                 <file name="extensions/cocostudio/loader/parsers/action-2.x.js"/>