First pass at generating Release json.
Merge branch 'master' into release-page

Conflicts:
	src/main/java/com/github/onsdigital/generator/TaxonomyGenerator.java
Altered 404 and 500 to not to change url when error occurs
Merge branch 'master' of github.com:ONSdigital/tredegar
Updated to match new data parsing.
Added commas in T3, snags alpha page and accessibility
Merge branch 'master' of https://github.com/ONSdigital/tredegar
Added a summary. Thought this was already done, but it's not in master.
Merge branch 'master' of github.com:ONSdigital/tredegar
Merge branch 'master' into release-page
Fixed up the Release class to clear compile errors.
Solved alignment in IE9
Merge branch 'master' of https://github.com/ONSdigital/tredegar
synonym mapping at index creation time to support gdp
Added summary information to references around the taxonomy.
Merge branch 'master' of github.com:ONSdigital/tredegar
Fix for duplicat field in Json serialisation.
Updated with more data in the references.
Merge branch 'master' into release-page
Disabled Methodology generation for now.