make wallpost work, wip
remove unused wall.hbs file and update wallpost component to use model property CLUB-966
Merge remote-tracking branch 'origin/dev/onepercent-donations' into feature/CLUB-966-2

Conflicts:
	bluebottle/test/utils.py
Merge pull request #1175 from onepercentclub/feature/CLUB-966-2

Fixes for wallpost component