Merge pull request #212 from ratajczak/redesign

add 'flag as offensive', fix Flex issues
Add special case for dataset requests to include a breadcrumb link to the odug landing page.
Merge pull request #213 from noels/1094_fix_dsr_breadcrumb

Add special case for dataset requests to include a breadcrumb link to th...
Add access control to offensive content and offensive replies views
Merge branch 'redesign' of github.com:datagovuk/dgu_d7.git into redesign