forked from loafle/openapi-generator-original
* Resolves #525 for Rust client generator with reqwest library. * Use Reqwest "query" method to generate query URL. * urlencode URL string parameters. * Generate rust-reqwest client, and verify it compiles and work as intended. * Map file params (to "&std::path::Path") and support multipart operations (with file params) in Reqwest library. * Cleanup: template compression to remove unecessary blank lines in generated code.