Bumped version to 1.5.5.

Fixed namespacing of so sorting urls.
Changed namespacing of sortable() calls.
Removed unit test to check for javascript include template, which has been eliminated.

adminsortable/static/adminsortable/js/admin.sortable.js

@@ -1,7 +1,7 @@
 (function($){
 
     $(function() {
-        $('.sortable').sortable({
+        jQuery('.sortable').sortable({
             axis : 'y',
             containment : 'parent',
             tolerance : 'pointer',

adminsortable/static/adminsortable/js/admin.sortable.stacked.inlines.js

@@ -6,7 +6,7 @@
             var sortable_inline_rows = $('.inline-group .inline-related');
             sortable_inline_rows.addClass('sortable');
 
-            $('.inline-group').sortable({
+            jQuery('.inline-group').sortable({
                 axis : 'y',
                 containment : 'parent',
                 create: function(event, ui) {

adminsortable/static/adminsortable/js/admin.sortable.tabular.inlines.js

@@ -5,7 +5,7 @@
         {
             var tabular_inline_rows = $('.tabular table tbody tr');
             tabular_inline_rows.addClass('sortable');
-            $('.tabular.inline-related').sortable({
+            jQuery('.tabular.inline-related').sortable({
                 axis : 'y',
                 containment : 'parent',
                 create: function(event, ui)