* 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.
The separator is hard coded as space or comma. Not much is lost if you just delete the space separator option. This allows people to add eg "Web Developer" as a job title tag.