Flatten README badges
Scope dev dependency versions
Do not pretend these backends care about Savon options
Correct specs
Document country_code in README
Document log and test backends in README
Document price and country_code in README
Update link to Sendega API documentation
Merge pull request #13 from hyperoslo/improve/savon-options-removal

Drop savon_options from backends not using Savon
Normalize country to country_code
Merge pull request #15 from hyperoslo/refactor/country_code

Normalize country to country_code
Merge branch 'master' into feature/async-deliveries

Conflicts:
	cellular.gemspec