If the title field was customised, this metadata was lost during a
readonly transformation. This can cause fatal errors in read-only views
such as history browsing.
* Update composer constraint and branch alias to support SS4 testing
* Add namespaces, update DataList quirk with getSourceList
* Add PSR-4 autoloader definition
* Move template to correct namespace location, update requirement paths
* FIX Visibility on allowed actions
* FIX Update chosen class names to match updates in framework
* Update Travis configuration for 4.x builds. Update docs for namespaced classes.
* Use "4" for the release instead of master.
* FIX Selected tag height. Move Readonly to own class.