Renames Java with Spock language without blanks in folder name.

Java-Spock/src/test/groovy/com/gildedrose/GildedRoseSpec.groovy

@@ -0,0 +1,25 @@
+package com.gildedrose
+
+import spock.lang.Specification
+
+/**
+ * Spock unit tests.
+ */
+class GildedRoseSpec extends Specification {
+
+    def "should update quality correctly"() {
+
+        given: "some items"
+        Item[] items = [new Item("foo", 0, 0)];
+
+        and: "the application with these items"
+        GildedRose app = new GildedRose(items);
+
+        when: "updating quality"
+        app.updateQuality();
+
+        then: "the quality is correct"
+        app.items[0].name == "fixme"
+    }
+
+}