fixed the file extensions for teh drawings
fixed the file extensions for teh drawings

ucsb-cs8-f17/ucsb-cs8-f17.github.io,ucsb-cs8-f17/ucsb-cs8-f17.github.io,ucsb-cs8-f17/ucsb-cs8-f17.github.io,ucsb-cs8-f17/ucsb-cs8-f17.github.io,ucsb-cs8-f17/ucsb-cs8-f17.github.io