Appearance: Fix form CSS media rendering

Fix the way the form CSS contained in the media attribute
is rendered. This is now an interator and not a single value.
Replace the current method with a for loop.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/document_states/settings.py

@@ -0,0 +1,25 @@
+from __future__ import unicode_literals
+
+import os
+
+from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
+
+from smart_settings import Namespace
+
+namespace = Namespace(name='document_states', label=_('Workflows'))
+
+setting_workflowimagecache_storage = namespace.add_setting(
+    global_name='WORKFLOWS_IMAGE_CACHE_STORAGE_BACKEND',
+    default='django.core.files.storage.FileSystemStorage', help_text=_(
+        'Path to the Storage subclass to use when storing the cached '
+        'workflow image files.'
+    )
+)
+setting_workflowimagecache_storage_arguments = namespace.add_setting(
+    global_name='WORKFLOWS_IMAGE_CACHE_STORAGE_BACKEND_ARGUMENTS',
+    default={'location': os.path.join(settings.MEDIA_ROOT, 'workflows')},
+    help_text=_(
+        'Arguments to pass to the WORKFLOWS_IMAGE_CACHE_STORAGE_BACKEND.'
+    )
+)