players can no longer fly in parkoru maps
added permission parkourmaker.general.leaveparkour
added Leave command
added message and sound effect on joining a parkour map
added message and sound effect on finishing a parkour map
added message giving the inforamtion about the rewards player gets when he finishes parkour
fixed world edit not instaled bug
fixed some of the the text displayed
fixed parkour editing bug with no finish set
fixed bug creating join sign with no finish set
fixed bug when trying to go to lobby but lobby is not set​