bumping version number and changelog
some cleanup in service.rb
added shopify api service initial commit
ported tests initial commit, tests are green
add attr accessor for logger in services (is init by Shopify already)
and uncomment logging in shopify api service
add company to name (when provided)
use if present? instead of unless blank?
Merge pull request #40 from Shopify/amazon_company_name

Add company to name (when provided)
bump to 2.1.6
Merge pull request #41 from Shopify/bump_version_number

bump to 2.1.6
port PR 23916 from shopify dealing with parsing valid but incorrect json into this branch
return failed active merchant response instead of raising
FulfillmentError
copy the list of exceptions we want to rescue locally
pass the request header in options rather than adding them here
fix spacing
fix the last test
drop ruby 1.9.3
add byebug as dev dependency
update changelog
port catching of invalid response errors