Update windows dll version resource to 0.6.0
Merge pull request #176 from evoskuil/master

Update Windows DLL version resource to 0.6.0 and republish NuGet package
Always install the .pc file even if pkg-config is not available.
And make sure that "make uninstall" gets rid of it, too.
+ --enable-minimal to build a smaller library without less-used functions.
Use --enable-minimal with the Javascript build
Add crypto_sign_ed25519_detached()
Combine crypto_hash_sha512_update() calls
Reformat
Add crypto_sign_verify_detached()
Add a test for short (non-detached) signed messages
Do not directly return the result of crypto_verify()
Test crypto_sign_detached()
Test detached signatures
A double verification of 32 bytes is fast; so is comparing 2 pointers
Add tests for short messages with (secret)box_easy
Add explicit checks for crypto_box_detached()
Bump up the max allowed memory for Emscripten. Might be required for scrypt.
Get ready for 0.6.1
Export all the symbols to Emscripten
--enable-minimal should compile only what is required for the high-level API
This doesn't include aes128ctr.