minor bugfix: not all mote type identifiers were reserved when reloading simulation. this caused loading some simulations with several mote types to fail
minor bugfix: not all mote type identifiers were reserved when reloading simulation. this caused loading some simulations with several mote types to fail

+ added key accelerator for reloading a simulation (ctrl+r or ctrl+shift+r). thanks to David Gustafsson for patching :)

+ added yet another key accelerator for starting/stopping simulation (ctrl+s)

bluerover/6lbr,arurke/contiki,bluerover/6lbr,MohamedSeliem/contiki,arurke/contiki,bluerover/6lbr,arurke/contiki,bluerover/6lbr,bluerover/6lbr,bluerover/6lbr,MohamedSeliem/contiki,arurke/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,arurke/contiki,MohamedSeliem/contiki,MohamedSeliem/contiki,bluerover/6lbr,MohamedSeliem/contiki