Updated some core functionality

* Secure file serving
* Added a custom tag to serve secure files (basefunctions/templatetags/ dir)
* Updated the 404.html

TODO:

* Move SECURE_ROOT variable to settings.py
* Create the wedding pictures app
	- This needs a complete redesign from the previous version
	- Need to thumbnailize the wedding pics
	- Need to create a thunmbnail viewer with pagination
	- Need to upload the wedding pics to the secure file location
	- Add ability to comment on a photo
* Finish the Forum app
	- This has core functionality but I need to improve the UI
	- Make sure the users are logged for each of their posts
* Add users
	- Only I can access the apps. Make it so family can