Add new kind of opponent, reinstate use of fixtures.
Store opponent intentionality per round.

While there, guard the intentionality and "start round" pages against page
refeshing. A GET request must not modify server-side state!
Randomized intentionality.
Merge branch 'master' of https://github.com/maikelsteneker/ultimatum_game

Conflicts:
	game/templates/game/intentionality.html
	game/views.py

Intentionality checkbox might be broken.
Fixed the intentionality. Made a different case for the randomness opponent.
Unique offers for each intention.
Merge branch 'master' of https://github.com/vera24m/ultimatum_game

Conflicts:
	game/forms.py
	game/templates/game/start_game.html
	game/views.py
Small import fix.