[fix] saneopt does not use malloc/realloc with saneopt_get, do not free
[fix] Makefile doesn't define FORZA_VERSION_HASH
[fix] Ensure hostname is freed.
[fix] -v/--version option added

Looks ugly for now, but will be submitting a PR for saneopt in the
future about this.
[fix] Use NPM version instead of Git hash.
[fix] remove unused variables
[dist] Version bump. 0.2.2
[fix] Use `which` in ./build so there is no `gmake` error.
Update README.md
Merge pull request #39 from thebyrd/patch-1

Update README.md
Update README.md

No need to call `submodule init` and `submodule update`. Just use `submodule update --init`.