[Core] Address zone based price calculator
Merge pull request #1932 from stloyd/feature/zone_pricing

[Core] Address zone based price calculator
[AddressingBundle] Don't force to set scopes on zones
Merge pull request #1941 from stloyd/bugfix/optional_zone_scope

[AddressingBundle] Don't force to set scopes on zones
Fix namespace for comment email listener
Merge pull request #1928 from sudent/fix-namespace

fix namespace for comment email listener
Revert "fix namespace for comment email listener"
Merge pull request #1942 from Sylius/revert-1928-fix-namespace

Revert "fix namespace for comment email listener"
[CoreBundle] Fix wrong interface usage in OrderCommentEmailListener
Merge pull request #1943 from stloyd/bugfix/wrong_interface

[CoreBundle] Fix wrong interface usage in OrderCommentEmailListener