Take files from ESPS and make it compile via clang

~/pub/llvm-local/bin/clang -g -I. -c *.c
link: second main temp rename
clean: remove start time
Remove framestep input option
Remove frame step arg
Remove get_range

Lots of progress!
remove param_file, debug_level, trailing whitespace
getopt, add sw_getf0_output, more
ohd
cleanups and externs
even more: reader thing
Delete ProgName
Cleanup headers!
Now compiles as C++
Move F0_params to stack
Error handling
more library stuff refactoring
Pulled out init_params
resetParameters and code convention fix
checkParameters