Shadow-DOM-ify the template syntax theme.
Shadow-DOM-ify the template syntax theme.

This *removes* the old-style selectors, which means that (without explicit
retrofitting) themes based off of this template will *not* work with
shadow DOM disabled (or on earlier versions of Atom that don't use the
shadow DOM facility).

VandeurenGlenn/apm,jlord/apm,ethanp/apm,atom/apm,gutsy/apm,bcoe/apm,VandeurenGlenn/apm,VandeurenGlenn/apm,Nikpolik/apm,ethanp/apm,VandeurenGlenn/apm,jlord/apm,bcoe/apm,AtaraxiaEta/apm,gutsy/apm,bcoe/apm,AtaraxiaEta/apm,gutsy/apm,ethanp/apm,ethanp/apm,bcoe/apm,VandeurenGlenn/apm,jlord/apm,bronson/apm,VandeurenGlenn/apm,atom/apm,bcoe/apm,AtaraxiaEta/apm,jlord/apm,pusateri/apm,fscherwi/apm,AtaraxiaEta/apm,fscherwi/apm,jlord/apm,AtaraxiaEta/apm,pusateri/apm,bronson/apm,atom/apm,fscherwi/apm,Nikpolik/apm,bronson/apm,pusateri/apm,Nikpolik/apm,atom/apm,bronson/apm,bcoe/apm,ethanp/apm,Nikpolik/apm,pusateri/apm,pusateri/apm,pusateri/apm,fscherwi/apm,fscherwi/apm,fscherwi/apm,AtaraxiaEta/apm,ethanp/apm,gutsy/apm,jlord/apm