Fix pretty url style paths.

Ignore the basename if the page is an index page, preserve it if it's just an
html page and use the full path in every other case.

lib/jekyll/page.rb

@@ -45,8 +45,14 @@ module Jekyll
     #
     # Returns the template String.
     def template
-      if self.site.permalink_style == :pretty && !index? && html?
-        "/:path/:basename/"
+      if self.site.permalink_style == :pretty
+        if index? && html?
+          "/:path/"
+	elsif html?
+          "/:path/:basename/"
+        else
+          "/:path/:basename:output_ext"
+        end
       else
         "/:path/:basename:output_ext"
       end

test/test_page.rb

@@ -64,8 +64,13 @@ class TestPage < Test::Unit::TestCase
 
         context "in a directory hierarchy" do
           should "create url based on filename" do
+            @page = setup_page('/contacts', 'bar.html')
+            assert_equal "/contacts/bar/", @page.url
+          end
+
+          should "create index url based on filename" do
             @page = setup_page('/contacts', 'index.html')
-            assert_equal "/contacts/index.html", @page.url
+            assert_equal "/contacts/", @page.url
           end
 
           should "return dir correctly" do
@@ -75,7 +80,7 @@ class TestPage < Test::Unit::TestCase
 
           should "return dir correctly for index page" do
             @page = setup_page('/contacts', 'index.html')
-            assert_equal '/contacts', @page.dir
+            assert_equal '/contacts/', @page.dir
           end
         end
       end