Fix image upload in Wall posts. Restructure some files.
Merge remote-tracking branch 'upstream/detail-page/wallpost-new' into feature/fix-image-upload

Conflicts:
	bluebottle/wallposts/templates/wallposts/base.hbs
Merge remote-tracking branch 'upstream/refactor/detail-page' into feature/fix-image-upload

Conflicts:
	bluebottle/wallposts/templates/wallposts/base.hbs
Merge pull request #1192 from onepercentclub/feature/fix-image-upload

Fix image upload for Project media wallpost create