Further fix encoding handling in the print service - Strings are now html escaped additionaly to java encoding - Escaping / encoding moved into maputils - The legend url is urlencoded - Properties are no longer stored in an encoded manner but rather encoded on demand

select.abflusstafel = \
    SELECT ABFLUSSTAFEL_NR, \
           ABFLUSSTAFEL_BEZ, \
           GUELTIG_VON, \
           GUELTIG_BIS, \
           PEGELNULLPUNKT, \
           AT.BFG_ID \
    FROM ABFLUSSTAFEL AT \
    WHERE MESSSTELLE_NR LIKE :number