snapshot support for Xcode 9

* [snapshot] Add support for Xcode 9 (#9559) via David Ohayon
* Add calculating of fastlane plugin scores and nice rendering on docs page (#9511) via Felix Krause
* Pilot: Allow '~' in ipa path (#9481) via Nick
* Pass app_identifier through to precheck (#9566) via Joshua Liebowitz
* support Xcode 9 new export options when using sigh (#9449) via igor-makarov

https://github.com/fastlane/fastlane/releases/tag/2.41.0
