r/o file widget: The "set of lines" highlight should win the "current line" highlight.
[nobug] Allow whitespace in embedded csslint ruleset
Region selection should try to keep selected org&space if already set in
manual deploy
Bug 419764 - add unit tests for orion.edit.command API

* Make EditorCommandsFactory#_generateEditCommands() testable
  * Separate Command creation from registration
* Fix: editor commands always rendered with position==100