* updated the CSS of the tag field to match with
the dropdown fields / list fields
* resolve with of the field to the style attr of
dropdown
* added style width
* removed the empty lines
* changed to the correct classname readonly tag field
* fixed the tag field signature
* removed the whitespace ending in line 352
* 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.
