Make consoleText urls have content-type text/plain so they don't get scrambled.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@17404 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/hudson/model/Run/consoleText.jelly

@@ -26,4 +26,5 @@ THE SOFTWARE.
   Displays the console output as plain/text
 -->
 <st:compress xmlns:j="jelly:core" xmlns:st="jelly:stapler">
+<st:contentType value="text/plain;charset=UTF-8" />
 <st:copyStream reader="${it.getLogReader()}"/></st:compress>
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