Defer db connection test until sqlite db file exists
Defer db connection test until sqlite db file exists

Checking the database configuration fails because it happens
before creating a custom storage dir.

crashlytics/gemstash,pcarranza/gemstash,crashlytics/gemstash,smellsblue/gemstash,pcarranza/gemstash,bundler/gemstash,bundler/gemstash,bundler/gemstash,crashlytics/gemstash,smellsblue/gemstash