Merge branch 'master' into examples_refactor

Author: lucdion

README.md

@@ -1122,8 +1122,7 @@ To integrate FlexLayout into another Swift Package, add it as a dependency:
 
 #### In an Xcode target
 
-1. To integrate FlexLayout into an Xcode target, use the `File -> Swift Packages -> Add Package Dependency` menu item.
-2. Add "FLEXLAYOUT_SWIFT_PACKAGE=1" to the Xcode target's `GCC_PREPROCESSOR_DEFINITIONS` build setting. (TARGET -> Build Settings -> Apple Clang-Preprocessing -> Preprocessor Macros)
+To integrate FlexLayout into an Xcode target, use the `File -> Swift Packages -> Add Package Dependency` menu item.
 
 
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