Support for profile fields permissions
Add possibility to protect user profile fields (like password hash)
README file update - info about profile fields table
Support for disclosing user profile fields during validation
Inform users which details from their profile will be disclosed
Add profile fields serializers mechanism
Support for profile field ordering
Field serializing support on login confirmation page
Merge branch 'profile-fields'

Conflicts:
	casia/conf/global_settings.py
	casia/server/admin.py