Results rework

Addresses #5, #13, #15, #16

* Removes results table 
* Adds ballot editing
* Adds provisional ballots for non-pollsters
* Adds on demand results calculation
* Adds reddit formatted table button for ballots
* Adds ballot list to results and poll detail

Users are alerted that their ballots are provisional if they are non-pollsters. All ballots are public after poll close. Admins may view ballots and current results at any time.