begin default sale file
finish template save
create save_n_load source files
add skeleton code for load_file
revise filetype, write more code
replace scan_whitepace with function, finish read_stand_templates
implement read_grid
Merge branch 'save_n_load'

the volitile changes have been made and the brach can be merged into
master
change tile's s pointer to void *stand
clean up and finish load_file
finish read_stand_templates; make a place to store them