changed travis ci script to execute behat scenarios by tags
Fix payment column name
Remove old Composer script handler, make VariantImage configurable, fix fixtures
Merge pull request #268 from winzou/patch-1

Fix payment column name
Handle all Bootstrap alert types
Merge pull request #271 from amenophis/patch-1

Handle all Bootstrap alert types
Use single connection MySQL driver in test env
Merge pull request #251 from headrevision/travis

Execute Behat scenarios by tag groups on Travis CI
add payum bundle and paypal lib to requirments.
add some fields to order for integration with payum.
add payum bundle.
upd finialize step.
update payum libs.