Merge pull request #18 from boredsteve/multiplayer

second player added
pop up box half way through
merge conflict resolved
Merge pull request #19 from boredsteve/pop-up-box

Pop up box
pop-up-box-works
popupbox works
Merge pull request #20 from boredsteve/restart2

both players restarts
resolved merge conflict with active 2 functions in restart
Merge pull request #21 from boredsteve/pop-up-box

Pop up box
resolved merge confllicts in restart controller