Xcode 9 improvements and more

* Update provisioning profile mapping message (#9863) via Felix Krause
* Detect selected provisioning profile UUIDs for Xcode 9 (#9843) via Vincent Isambart
* Fix not fetching the plugin API due to a Faraday issue (#9847) via Felix Krause
* Limit score a plugin can get for tests to 80 (#9848) via Felix Krause
* Bump compileSdk (#9862) via Joshua Liebowitz
* Update rest-client development dependency (#9842) via Felix Krause
* Resolve PRODUCT_BUNDLE_IDENTIFIER and PROVISIONING_PROFILE_SPECIFIER for Xcode 9 export settings (#9760) via Renzo
* Add simplecov to plugin template (#9851) via Jimmy Dee
* Add download Xcode managed provisioning profiles flag to sigh via @mkimi-lightricks (#9849) via Michael Kimyagarov

https://github.com/fastlane/fastlane/releases/tag/2.49.0
