Merge pull request #2 from rjc123/master

Remove assets for which we have mappings
Adding Directgov asset for state pension online

This file is used as a destination by the DWP SPOL service. I've made several changes to the file but this is now the canonical version.
Merge pull request #3 from alphagov/add_state_pension_directgov_page

Adding Directgov asset for state pension online
Add back general direct.gov site information pages.

These pages are linked to in several still-live tools and transactions, and should be presented in the same brand as the tools themselves. Includes Terms and Conditions, Personal Information Proteection, Crown Copyright and Help with Linking to DirectGov.
Add back Benefits Adviser disclaimer page
Add back directgov accessibility page
Add back State Pension forecast service technical advice page