create games from a pgn wip
upgrade scalachess
start from position wip
Merge branch 'master' into startFromPosition

* master:
  update todo list
upgrade scalachess
prevent hooks overflow
more on play from a given position
more on position variant
Merge branch 'master' into startFromPosition

* master:
  fix linking bug when an url is surrounded by quotes
  pgn site url is analysis page
Only load chart Api when an analysis is available
games from position can now be replayed
fix undergame box style
jquery 1.9 api attr -> prop
one can now paste a fen string a play it against the machine
remember user fen, set fen from url
play from position in friend games
fix double rewind on positional games
validate user fen string on game creation
add new translation keys
let players continue finished games with ai or friend