Return a default name from name generator instead of crashing if no names are available.
add debug function to remove all monsters
Merge branch 'get-name-fallback' of https://github.com/kevingranade/Cataclysm-DDA into kevingranade-get-name-fallback
Merge branch 'debug-clear-monsters' of https://github.com/BevapDin/Cataclysm-DDA into BevapDin-debug-clear-monsters