Added Polish translation
Added Finnish translation.
Updated Polish translation
Whitespace cleanup.
Prevent duplicates in the DB (breaks XML output).
Merge pull request #40 from BayernSPD/bayernspd-sym-2.3

Prevent duplicates in the DB
Merge pull request #39 from lnikkila/master

Added Finnish translation.
Merge pull request #37 from idea07/master

Added Polish translation