Add `thumbnail` component and use it for large profile photos
Normalise avatar sizing to multiples on `@line-height-computed`
Style the "Change Picture" button on the profile page
Improve presentation of long usernames/emails in the user box
Apply modal event patch to a.PopConfirm buttons
Merge branch 'master' into bootswatch

* master:
  Apply modal event patch to a.PopConfirm buttons
  Improve presentation of long usernames/emails in the user box
  Style the "Change Picture" button on the profile page
  Normalise avatar sizing to multiples on `@line-height-computed`
  Add `thumbnail` component and use it for large profile photos

Conflicts:
	design/style.css
	less/core/style.less
Merge branch 'bootswatch' into font-awesome

* bootswatch:
  Apply modal event patch to a.PopConfirm buttons
  Improve presentation of long usernames/emails in the user box
  Style the "Change Picture" button on the profile page
  Normalise avatar sizing to multiples on `@line-height-computed`
  Add `thumbnail` component and use it for large profile photos