require content module shared examples in files that use it
Fix bug that arises when more than 675 languages have been created, resulting in one-letter iso_codes

After 675 languages have been created, new languages may not have unique iso_codes, but they shouldn't collide since the table is cleaned between specs
datascience toolkit is now returning slightly different lat and lng for 'us', make spec less brittle
Bump version to 1.0.5