revert rhino upgrade to 1.7.7 fix #624

Author: jknack

handlebars/src/main/java/com/github/jknack/handlebars/internal/js/RhinoHandlebars.java

@@ -25,7 +25,6 @@
 import java.util.Map;
 import java.util.Map.Entry;
 
-import static org.mozilla.javascript.Context.FEATURE_INTEGER_WITHOUT_DECIMAL_PLACE;
 import org.mozilla.javascript.ContextFactory;
 import org.mozilla.javascript.NativeArray;
 import org.mozilla.javascript.NativeObject;
@@ -338,16 +337,7 @@ private org.mozilla.javascript.Context newContext() {
    * @return Context factory.
    */
   private static ContextFactory newFactory() {
-    return new ContextFactory() {
-      @Override
-      protected boolean hasFeature(final org.mozilla.javascript.Context cx,
-          final int featureIndex) {
-        if (featureIndex == FEATURE_INTEGER_WITHOUT_DECIMAL_PLACE) {
-          return true;
-        }
-        return super.hasFeature(cx, featureIndex);
-      }
-    };
+    return new ContextFactory();
   }
 
   /**

handlebars/src/test/java/com/github/jknack/handlebars/i243/Issue243.java

@@ -28,7 +28,7 @@ protected Handlebars newHandlebars() {
   @Test
   public void zeroValueForJavaScriptHelper() throws IOException {
     shouldCompileTo("{{#each item}}{{getIndex @index}} {{/each}}",
-        $("item", new Object[]{10, 20, 30 }), "0 1 2 ");
+        $("item", new Object[]{10, 20, 30 }), "0.0 1.0 2.0 ");
   }
 
   @Test

handlebars/src/test/java/com/github/jknack/handlebars/issues/Issue619.java

@@ -93,7 +93,7 @@
       <dependency>
         <groupId>org.mozilla</groupId>
         <artifactId>rhino</artifactId>
-        <version>1.7.10</version>
+        <version>1.7.7</version>
       </dependency>
 
       <!-- Logging System -->