Add score number formatter.

- Well OK, it's not a NSFormatter subclass but it will format your score.
- Ok bye then.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Merge branch 'master' of https://github.com/opfo/app

* 'master' of https://github.com/opfo/app:
  Add input fields for comment and handle bindings.
  GCTagList Implementation from our GitHub fork
  Add controllers view to be uiview with tableview inside.
  Fix comment cells not selectable, mockup for entering comment.
  Fix handling click on comment's score button.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>

Conflicts:
	Code Stream.xcodeproj/project.pbxproj
Add a test spec for the score formatter.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Fix two bugs caught by the score formatter spec.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>