As a user, I want to be able to rate the referees’ performance so that I can contribute to the overall rating of him/her.

[uralsarp]

Acceptance Criteria:
-In the match page I can see the "rate the referee of the match" button if I'm logged in.
-After I rate the referee, I can see the change of his/her rating.
-After I rate the referee, I should be directed back to the match page.
-When I am eligible to vote for a match I should get a pop up indicating that I successfully voted after I press the submit button on the vote page.
-If I have voted already for a specific match I should get a pop up indicating that I have voted before for this match and the overall rating of the referee shouldn't change.