Bug where only reviewers can contest their rejected tasks (#557)
Bug where only reviewers can contest their rejected tasks (#557)

* Allow users to contest their rejected tasks even if they
  aren't a reviewer
maproulette/maproulette2,mvexel/maproulette2,Crashfreak/maproulette2,maproulette/maproulette2,Crashfreak/maproulette2,mgcuthbert/maproulette2,maproulette/maproulette2,mgcuthbert/maproulette2,mvexel/maproulette2