start solo beta join game in progress
Increasing max sockets to 20
add delay
Merge pull request #349 from tongxiang/beta-solo

beta joining game in progress opts them into solo play
add endGameFromUserExit optin user to solo play
Merge pull request #351 from jonuy/issue-339

Increasing max sockets to 20
add ten second delay to beta opted into solo game after game ended from player exit
Merge pull request #350 from tongxiang/userexit

add automatic beta-solo play to `endGameFromPlayerExit()`
Merge pull request #352 from DoSomething/dev

merge for deploy 1) increase max sockets to 20 2) start beta solo games automatically upon a) userexit and b) user joined game in progress