[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
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
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.
Merge pull request #2107 from stloyd/bugfix/payum_bundle

[RFC] Fix dependencies in PayumBundle, adjust configuration of that bundle
Merge pull request #2104 from aRn0D/config/minor_fixes

Random very minors fixes.
Merge pull request #2105 from stloyd/bugfix/cs_fix

Random CS fixes
fix #2112
Merge pull request #2113 from Joypricecorp/bugfix/api-bundle-composer

[API Bundle] Remove require fixtures-bundle from composer.
Reference Promotion from Adjustment
Set adjustment origin in all discount actions
Remove adjustment by origin
Use PropertyAccess