include up-to-date list of DE and AT BICs
CH BICs and more specs
validator now checks for known BICs-n
add test for BIC validator
move data to banking_data gem
remove unnecessary deps
use rbx 2.0.0
move to properly published gem
allow rbx to fail on travis
allow rbx to fail on travis
some refactoring
fix class/instance method fun
fix pull-request comments
bump version to 0.1.0
Merge pull request #1 from opahk/banking_data

validate against known banking data