One to one field as dict inside rest
Merge branch 'v0.6' of github.com:matllubos/django-is-core into v0.6

Conflicts:
	is_core/rest/resource.py
v0.6.27 M2M and reverse fields for rest (add and remove)
Merge pull request #77 from zamazaljiri/v0.6

New attribues for WebAction
v0.6.27 Fixed rest initial values
v0.6.27 Fixed immutable query dict inside is_valid
get_list_actions fixed