fixing build problems with openjdk-7-jdk

Author: walterhiggins

build.xml

@@ -213,12 +213,15 @@ Walter Higgins
     <!-- download babel -->
     <get src="https://github.com/babel/babel-standalone/releases/download/release-6.26.0/babel.js"
 	 verbose="true"
+	 ignoreerrors="true"
 	 dest="${dist}/js/modules/babel.js"/>
   </target>
 
   <target name="get_underscore" depends="copy-js" unless="underscore.present">
     <!-- download underscore -->
-    <get src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore.js" verbose="true"
+    <get src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore.js"
+	 verbose="true"
+	 ignoreerrors="true"
 	 dest="${dist}/js/modules/underscore.js"/>
   </target>