[Tournament] Basic tree logic

Added repository for KnockoutMatch
Needs tests
[Tournament] Quick & Dirty add to filter team in sonata
[Tournament] Updated fixtures & start of KnockoutMatches administration
[Tournament] Matches admin improvements

Filters by State, Group, Knockout, Participants
Merge branch 'qualifs'

Conflicts:
	src/InsaLan/TournamentBundle/Admin/MatchAdmin.php
[Tournament] Hotfix for new mapId
[Tournament] Tree to Json function for JQuery bracket
[Tournament] Added Jquery Bracket library without conflicts with mootools
Add tournament
[Tournament] Tournament brackets page view
[Tournament] Improved repository and page for tournament brackets
[Tournament] Add Knockout insertion via Sonata Admin
[Layout] Add account buttons
Merge branch 'master' of github.com:superboum/insalan.fr
[Layout] Fix wrong link
[Tournament] Display knockout name in tournament page
[Tournament] toString fix in Group
[Tournament] Custom admin WIP
[Tournament] Basic knockout creation
[Tournament] Fix Group missing template