Update dynamic_settings_injection.md

Added limitation on request listeners.
CS
Merge pull request #1024 from ezsystems/cs

CS
Update sentences to reflect better the actions
Improve REST client drivers
Make an helper to work with object related methods
Remove sentences interfaces
Change sub contexts to traits and needed changes
Update RestContext
Cleanup
Add headers to files
Update Legacy context and feature
Update SetupWizard context and feature
Move ObjectController methods into ez specific class
Add const's and auto send request
Refactor file structure/namespace
Update legacy files structure/namespaces
Update SetupWizard to match behat 3 definitions
Add file headers and explanations
CS Fixes