added item and link tests
added URL_PROTOCOL defaults
replaced ID_FIELD by item_lookup_field on item link generation
Merge branch 'develop' of github.com:jrvidotti/eve into jrvidotti-develop

Conflicts:
	eve/default_settings.py
	eve/methods/get.py
``HATEOAS`` item links
Merge branch 'jrvidotti-develop' into develop. Closes #256.
whitespace
Remove a paragraph which was pasted by mistake.
Trouble serializing list of dict. Closes #265, #244.
Validate that auth_field is not set to ID_FIELD.

Addresses #266.
'unique' validates against user data only.

Add a notice that when User Restricted Access is enabled the 'unique'
rule only validates against user data (and not the whole collection.)

Addresses #266.