* update rust client with petstore oas2
* update rust with oas2 petstore, fix default value
* fix type mapping for file, update api_doc for rust client
* update rust client with oas3
* update versions of dependencies on swift4 and swift3
* change syntax for swift4
* run petstore script
* change enum case from UpperCamel to lowerCamel
* remove unneeded break statements
* avoid wrapping conditionals in parentheses
* avoid force casting
* run pod update on petstore/swift4/rxswift
* update project for swift 4
* run swift4-petstore-all.sh
* fix compile error
* avoid use iso8601 date strategy for encoder / decoder
* resolve file references
* add line break test to petstore-security-test.yaml
* add objc/swift security testing
* add go,scala,qt5cpp for security test
* add security test for typescript
* fix go security issue, fix consumes,produces line break
