Improvements

* Show nice error message for common Xcode 9 code signing issue (#10204) via Felix Krause
* Add support for provisioning profile templates for all fastlane tools (#9912) via Andrei Raifura
* Escape HipChat room name (#10179) via Takeichi Kanzaki Cabrera
* Update data structure for tester exporting (#10207) via David Ohayon
* Clarify question in app_store_build_number action (#10203) via Felix Krause
* make sure not to call map on nil array (#10219) via David Ohayon
* Add new sub pages for all actions and tools (#10209) via Felix Krause

https://github.com/fastlane/fastlane/releases/tag/2.55.0
