Changed the Edit Vote Dialog Theme to match the rest of the app.

Issue #25: Change the Edit Vote Dialog to match the Theme of the app.

Added the Delete button to the Edit Vote Dialog
Added icons for Edit and Delete button on the Edit Vote Dialog
Added icons for Pick and Edit Hat button

Issue #16: Apply Icons

Removed the "Your result is:" message after Pick
Changed the background color of the app to a lighter gray
Changed the label for Clear button to "Clear Hat"
De-referenced fragment_vote_grid layout. all devices use fragment_vote_list for now