added query for OperationMetaData to Python API
simplified attribut table creation in gdalfeatureconnector
fixed ilwis3connectors for domain creation and file naming
Merge remote-tracking branch '52n/master'
rename methods
add domain level parsers
refactor wfs
use xpath parser to get capabilities' feature type parts
minor refactoring and fixing recognizing valid WFS URLs
prepare requests needed for feature parsing
add connection timeout and use xmlstreaming parser to parse exception report
fix parsing issues (using tests)
add note to scratchpad