automatic generation of profiles

wandbox-profiles are generated from /wandbox/api/list.json
Merge remote-tracking branch 'origin/develop' into feature/autoprofile

Conflicts:
	README.md
	wandbox.el
compiler options are expanded at byte-compile time
Wandbox API URL is changed.
add autoload cookies
add extra README (en; incomplete)
modify wandbox-eval-with indentation
modify README
add header Package-Requires
Merge branch 'feature/autoprofile' into develop
Merge branch 'master' into develop

Conflicts:
	README.md