[Server] Urls and templates changes
[Server] @authenticate decorator takes 'user' and 'admin' parameters which indicate level of access. Note that view may be accessible for user but not for admin.
API decorator
[Server] subject.sumject_browse view takes abbreviation as parameter instead of id
[Server] Useless Pad model removed
Automatic slug generator
[Server] a.d. URLs fixes few commits ago
[Server] separated query and access priviledges in note.note_edit view
[Server] Fix in comment
[Server] some dumb print removed
[Server] Links to note creation
[server] open note
[server] just nicer notation
[server] signout url and view
[server] in case decorated function returned ready response
[server] tiny fixes in template
[server] django.core.exceptions.PermissionDenied for permission denied
[server] accessing instances
[server] Serializer for model2dict, query2dict and custom JsonEncoder class
[server] stubs for note api