fix a few errors, strip duplicate paradigms that arose because of those errors
fix a few errors, strip duplicate paradigms that arose because of those errors

git-svn-id: 8770c0d899e4b89c6d24c9e9bf8faf01a1785cca@27075 72bbbca6-d526-0410-a7d9-f06f51895060

jimregan/apertium-pl-sk