[SlackTextViewController] Fix circular dependency issues

Part of https://github.com/CocoaPods/Molinillo/issues/6
[Analytics] Fix circular dependency issues
[OMGHTTPURLRQ] Fix circular dependency issues
[KFData] Fix circular dependency issues
[DZNPhotoPickerController] Fix circular dependency issues
[MyiOSViewHelpers] Fix circular dependency issues
[TAKKit] Fix circular dependency issues
[Objective-LevelDB] Fix circular dependency issues
[Typhoon] Fix circular dependency issues
[LumberjackConsole] Fix circular dependency issues
[LWFKit] Fix circular dependency issues
[RZUtils] Fix circular dependency issues
[Fancy-iOS] Fix circular dependency issues
[LumberjackConsole 1.0.3] Fixes invalid JSON
[Objective-LevelDB 2.0.2] Fix circular dependency issues
[KFData 1.0.0-RC2] Fix circular dependency issues
Merge pull request #12783 from CocoaPods/circular

Fix circular dependency issues