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
[ResourceBundle]  added the ability to configure services, forms, twig extensions, validations and mapping using yml or xml files (or both)
[CoreBundle] Fixed problem when this bundle is configured to load YAML files.
[ResourceBundle] Fixed some duplicate code and incorrect exception namespace
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.
Fix bug where disabled shipping methods were selectable during checkout.
Add behat tests.
Merge pull request #2110 from Richtermeister/fix-enabled-shipping

Fix bug where disabled shipping methods were selectable during checkout.