Smartship 1.2.0

Relevant changes since 1.1.0

• Add free text field to shipment

SmartShip 1.1.0

Relevant changes since 1.0.0:

• Add support for Posti location service API.

• The functionality is available as carriers.posti.get_locations().

• Fix a crash on invalid shipment response.

SmartShip 1.0.0

• Add option for custom pdf config to posti carrier
• Change default pdfConfig for the PDF printout
  • Change the default pdfConfig, so that the pdf would fill the
    entire page. Set it to accept custom pdfConfig values from
    plugin's implementations in different projects.
• Make sure decimal data can be sent as JSON
  • Require the simplejson library for requests to add Decimal
    serialization support.