Merge branch 'rr/gitweb-mobile'

"gitweb" has been taught to be mobile friendly.

* rr/gitweb-mobile:
  gitweb: let page header grow on mobile for long wrapped project names
  gitweb: fix mobile footer overflow by wrapping text and clearing floats
  gitweb: fix mobile page overflow across log/commit/blob/diff views
  gitweb: prevent project search bar from overflowing on mobile
  gitweb: add viewport meta tag for mobile devices