Make OO.ui.FieldLayout labels display inline-block when aligned top

Changes:
* Adjust the display property of labels so existing padding rules actually
  take effect

Change-Id: Id6e5bb09f978c3497280c28bd02aa058eac2eadf
Change color of text on frameless buttons

Changes:
* Apply coloring to flagged frameless button labels

Change-Id: Ib1ccd098ee2e07b4158e7f6c17c1507e896881e8