add wikipedia summary model
render wikipedia summary on pa show page
Merge branch 'pa-images' into add-wikipedia-article

* pa-images:
  Creates has_many relation for Images on PA
  Adds an Image model for handling PA Images relations
  Removes unnecessary logging from Panoramio
  Adds a Panoramio class

Conflicts:
	db/structure.sql
Refactors WikipediaSummary as WikipediaArticle

Better representation of the domain -- model represents article rather
than attribute
Removes unnecessary variable assignment in tests
Adds search to WikipediaArticle to find by article title
Introduces a Wikipedia Summary class for fetching article summaries
Adds a wikipedia summary worker to fetch summaries for PAs
Adds some basic docs for background workers
Ignores the redis dump files
Rails secrets now uses shared defaults for "non-secret" config items
Adds note about using config/secrets.yml for all config
Adds background workers to readme contents
enqueue WikipediaSummary job during attribute import
construction and saving of wikipedia url in worker
Merge branch 'master' into add-wikipedia-article

* master:
  Makes panoramio photo display slightly less terrible
  Panoramio photos are now rendered on the PA show page
  Adds a details URL to the Image model
  Panoramio API pulls square images for thumbnails

Conflicts:
	db/structure.sql
	test/integration/protected_area_show_test.rb
Fixes floating <p> tag
move wikipedia box into partial
Merge branch 'add-wikipedia-article' of github.com:unepwcmc/ProtectedPlanet into add-wikipedia-article

Conflicts:
	app/views/protected_areas/show.html.erb
Move wikipedia article link to "Read More"