Fix for urls containing autoescaped characters

References issue #282.

I added an import for `mark_safe` and wrapped the JavaScript / CSS
urls in it. All tests passed.

AUTHORS

@@ -63,3 +63,4 @@ or just made Pipeline more awesome.
  * Venelin Stoykov <venelin@magicsolutions.bg>
  * Victor Shnayder <victor@mitx.mit.edu>
  * Zenobius Jiricek <zenobius.jiricek@gmail.com>
+ * Joshua Kehn <josh@kehn.us>
\ No newline at end of file

pipeline/templatetags/compressed.py

@@ -4,6 +4,7 @@ from django.contrib.staticfiles.storage import staticfiles_storage
 
 from django import template
 from django.template.loader import render_to_string
+from django.utils.safestring import mark_safe
 
 from pipeline.conf import settings
 from pipeline.packager import Packager, PackageNotFound
@@ -58,7 +59,7 @@ class CompressedCSSNode(CompressedMixin, template.Node):
         context = package.extra_context
         context.update({
             'type': guess_type(path, 'text/css'),
-            'url': staticfiles_storage.url(path)
+            'url': mark_safe(staticfiles_storage.url(path))
         })
         return render_to_string(template_name, context)
 
@@ -84,7 +85,7 @@ class CompressedJSNode(CompressedMixin, template.Node):
         context = package.extra_context
         context.update({
             'type': guess_type(path, 'text/javascript'),
-            'url': staticfiles_storage.url(path)
+            'url': mark_safe(staticfiles_storage.url(path))
         })
         return render_to_string(template_name, context)