BAZYNGO-1449: Add getProposedContentNodes method to DocumentTool.
Adjusted data quality limits. We'll rework it soon, while switching to
new input data format.
BAZYNGO-1556: switch from processing PDF file, that is not longer
available online anyway to CSV file from Poczta Polska CD.
BAZYNGO-1556: supplement postal district data with information from
chapter 3 - assign the postal code of primary post office (UP ... 1) as
the postal code for the whole city.
Merge branch 'dev' for release 2.27.3
release 2.27.3