voting: wip
voting: wip
voting: UserVoteModel and tests.
voting: refactor UserVoteModel to put params in constructor.
voting: rename to UserVoteModel_Test.

* Rename
* Add to AllTests
voting: wip QuestionCommand up vote.
voting: QuestionCommands and tests

* Vote up works.
* Vote down works.
voting: wire up angular side.
Merge branch 'feature/voting'