Tournament progress updates on entry to manage tournament page.
Tournament progress refreshes when reporting results.

It also persists across rotations.
Updated the toString method of matches to show the round.
Reorganised packages
Added progress bar for loading tournaments from challonge.
Fixed crash when tournament data loaded on another activity.

Selecting a tournament, then leaving before the player/match data loads
caused a crash due to the fragment trying to set the progress bar value
whilst the fragment is not attached.
Enabled editing of players on signup list.