rescue errors in a managed way
remove parsing of 'flavor', don't store product_hash on the object
Merge branch 'master' of github.com:SUSE/connect
remove flavor tests, add test for general exception
fixes for rubocop
remove unused @release
Merge pull request #131 from SUSE/review_140703_remove_parsing_of_flavor_attribute_as_release

[Review] Request from 'digitaltom' @ 'SUSE/connect/review_140703_remove_parsing_of_flavor_attribute_as_release'