Book language data is now a separate table

(Also fixes accidental merge of master api keys into develop. Be careful not to merge the develop ones back to master.)
Merge pull request #70 from JohnThomson/feature/languageIsTable

Book language data is now a separate table
Merge branch 'master' into develop
Better way to select right api strings for develop/production
Merge pull request #71 from JohnThomson/feature/useRightParseApi

Feature/use right parse api
Switch from "thumbnail" column to "baseUrl" column, and use thumbnail-256.png for the detail dialog.