Match candidates to 2014 MEP candidates

[tfgg]

The yournextmep data is now up at https://yournextmep.popit.mysociety.org/, so something that tries to match people between the two could now be done.

The main problem is that we may never be able to 100% conclusively match people based on just a name and there might be mistakes -- addresses in statement of nominations could help here. To me this says that it's probably not a good idea to merge the dataset in and try to merge people using the API, though it could be argued that ultimately it's the envisaged endpoint of a popit election dataset and the value is worth the research time.

As a first step I'd suggest just adding the yournextmep popit ids as identifiers to people in yournextmp. Matches could be suggested by name, party, location and shared identifiers like twitter accounts and websites.

[tfgg]

I've now made a datapackage and script to interactively match (or not) candidates between the yournextmep and yournextmp popit instances:

https://github.com/tfgg/yournextmp-mep-match

This could be used to populate an identifier field on all the matched yournextmp.popit.mysociety.org objects.