Add a custom manager to filter private and unpublished stuff (#39)

* Implement a customer manager for flatpages

* Implement public manager for private objects

* Add support for unpublished objects in roster and consist

* Add support for unpublished objects in bookshelf

* Update filtering on REST views

* Use uuid in urls.py

* Increment version

ram/portal/models.py

@@ -9,6 +9,7 @@ from solo.models import SingletonModel
 from tinymce import models as tinymce
 
 from ram import __version__ as app_version
+from ram.managers import PublicManager
 from ram.utils import slugify
 
 
@@ -72,6 +73,8 @@ class Flatpage(models.Model):
             )
         )
 
+    objects = PublicManager()
+
 
 @receiver(models.signals.pre_save, sender=Flatpage)
 def tag_pre_save(sender, instance, **kwargs):