Don't make ajax request for provinces if contry value is empty
Cover the case when we don't revert changes

Instead of using undefined variable.
Plus, rename the url variable to a more explicit name.
[BUG FIX - API] Add missing api province route.
Merge pull request #2094 from Joypricecorp/api-address-missing-config

[BUG FIX - API] Add missing api province route.
Merge pull request #2087 from winzou/history

Cover the case when we don't revert changes
Merge pull request #2080 from crevillo/province-choise

Don't make ajax request for provinces if contry value is empty
Skip volume price if was saved as empty, fix volume pricing form
Display 'volume_based' prices on product details
Merge pull request #2097 from stloyd/bugfix/volume_pricing

Skip volume price if was saved as empty, fix volume pricing form
Fixes bug in shipping bundle

Wrong default configuration. This PR fixes it :)
Merge pull request #2102 from steffenbrem/fix-shipping-bundle-configuration

[Bug] Fixes small bug in shipping bundle
[payum] make compatible with payum 0.12
[ResourceBundle] Improve redirection.
Merge pull request #2027 from formapro-forks/payum-012-upgrade

[Payum] Upgrade up to 0.12
Random very minors fixes.
Random CS fixes:
- remove executable param on some files,
- added missing .gitignore files,
- removed some unused `use` calls,
- added missing new lines at end of some files
Fix dependencies in PayumBundle, adjust configuration of that bundle
Merge pull request #2100 from Joypricecorp/improve-resource-redirect

[ResourceBundle] Improve redirection.
Auto-generating PHPCR proxies in debug mode.
Merge pull request #2108 from Richtermeister/fix-phpcr-proxy

Auto-generating PHPCR proxies in debug mode.