add Gujarati language

app/i18n/Contributors.scala

@@ -63,7 +63,8 @@ object Contributors {
     "ps" -> List("Eimal Dorani"),
     "is" -> List("Sir Gizmo Gunn Myr Basque", "cyberpunk"),
     "kk" -> List("Arsakay Madi"),
-    "io" -> List("Anonymous"))
+    "io" -> List("Anonymous"),
+    "gu" -> List("Anonnymous"))
 
   def apply(code: String): List[String] = ~(all get code)
 }

todo

@@ -52,7 +52,6 @@ send lobby new forum posts html through websockets
 in table, hide lichess_control when it's empty (watcher mode)
 BUG tournament idle resign: based on 20 seconds added time! can make black resign by playing after 19s
 tournament join, sometimes withdraws by cron
-tournament: no cheater
 AI thinks during your time (premove?) http://en.lichess.org/forum/lichess-feedback/y-u-so-greedy-with-time-stockfish#4
 - in fact it does not, but the UI clocks only update once the ai made the move
 - solution: do AI asynchronously. Send player move events right away,