organising layout of profile for responsive views
set avatar to absolute positioning to best use the available space depending on device screen width
Merge branch 'redesign' of github.com:datagovuk/shared_dguk_assets into profile

* 'redesign' of github.com:datagovuk/shared_dguk_assets:
  Fix new promo tiles style
  changed the search page main columns from float left to table-cell to allow sidebar to fill full height
Merge pull request #5 from waako/profile

Profile page layout tweaks as per ticket #1011