[ticket/11811] Remove outline on :focus

PHPBB3-11811
Merge branch 'ticket/11811' into ticket/develop-2/11811

* ticket/11811:
  [ticket/11811] Remove outline on :focus

Conflicts:
	phpBB/adm/style/admin.css
	phpBB/styles/prosilver/theme/forms.css
Merge remote-tracking branch 'remotes/cyberalien/ticket/11811' into develop-olympus

* remotes/cyberalien/ticket/11811:
  [ticket/11811] Remove outline on :focus
Merge remote-tracking branch 'remotes/cyberalien/ticket/develop-2/11811' into develop

* remotes/cyberalien/ticket/develop-2/11811:
  [ticket/11811] Remove outline on :focus
Merge branch 'develop-olympus' into develop

* develop-olympus: