GRAILS-9646 - fix wrapper

The previous code was matching any groovy jar file which began with groovy-all-.  Since we include source and javadoc jars now, those broke that logic.  Now we look for a jar name that matches a more specific regex.

Author: jeffscottbrown

grails-wrapper/src/main/java/org/grails/wrapper/GrailsWrapper.java

@@ -111,7 +111,7 @@ private static File findGroovyAllJar(final File directoryToSearch) {
                 return findGroovyAllJar(file);
             }
             final String fileName = file.getName();
-            if(fileName.startsWith("groovy-all-") && fileName.endsWith(".jar")) {
+            if(fileName.matches("groovy-all-(\\d+)(\\.\\d+)*\\.jar")) {
                 return file;
             }
         }