Update src/main/java/com/fordfrog/ruian2pgsql/convertors/KatastralniUzemiConvertor.java

fixed reading in information about existence of digital map for cadastral unit
version updated to 1.3.1-SNAPSHOT
TransakceOd and TransakceDo elements are not required in the header anymore
version updated to 1.4.0-SNAPSHOT
added --no-gis command line switch which disables import of gis data (also added mysql database support)
fixed documentation
prepared statements are now initialized only once and not each time new file is being processed