Developer sees Ex-Im trade events.

[#77045504]

Conflicts:
	app/models/trade_event/consolidated.rb
	lib/tasks/ita.rake
SBA's street field maps to address.
EXIM/SBA: Industries empty array if none in source
SBA: Remove state, add industries to multi-match.
Removes useless assignment.
Fix to exim spec failures related to the removal of event id 44866.
Fix for exim-related spec failures due to the removal of event id 44886
Trade Events: bring specs in line with recent changes.
exim: fix importer always working on live data
Exim: add raw source XML doc as fixture data.
Trade Events: be explicit with superclass naming.
Source will be a string in the result doc.
Developer can access USTDA Events
ustda: sort by relevance when ?q= is given
ustda: Extract _entry.json from search for consistency
ustda: Replace country, state, city, venue with venues: [ {}, {}, ..]

Broke searching by country. :/
Fix tests after moving venues into an array
ustda: extract method
ustda: handle currency on cost field as well
Initial steps for moving ustda to the consolidated trade events interface