[1.0][Config] remove path option.
[1.0][aws-resolver] allow configure cache_prefix via factory.
Merge pull request #370 from formapro-forks/aws-s3-resolver-configure-cache-prefix

[1.0][aws-resolver] allow configure cache_prefix via factory.
Merge pull request #366 from formapro-forks/remove-path-option

[1.0][Config] remove path option.
[1.0][loader] cleanup filesystem loader, simplify logic, add factory.
fix typo