Polish (PL) translation cleanups.
Polish (PL) translation cleanups.

Fixed indentation.
Corrected 2 translations - to shorter and more appriopriate (I think) versions.
Added thousands separator - single space.
etd-framework/datatables-plugins,eveoh/Plugins,etd-framework/datatables-plugins,modulexcite/Plugins,husnixs/Plugins,eveoh/Plugins,prate3k/Plugins-1,ashishraikar/Plugins,NomadeLampe/Plugins,afelicioni/DataTables-Plugins,husnixs/Plugins,SGCreations/Plugins,afelicioni/DataTables-Plugins,ashishraikar/Plugins,NomadeLampe/Plugins,etd-framework/datatables-plugins,NomadeLampe/Plugins,cbondo/Plugins,KRQW/Plugins,afelicioni/DataTables-Plugins,eveoh/Plugins,KRQW/Plugins,shamim8888/Plugins,KRQW/Plugins,cbondo/Plugins,cbondo/Plugins,SGCreations/Plugins,radlr/Plugins,ran-guin/Plugins,ashishraikar/Plugins,modulexcite/Plugins,prate3k/Plugins-1,husnixs/Plugins,ran-guin/Plugins,shamim8888/Plugins,radlr/Plugins,ran-guin/Plugins,SGCreations/Plugins,prate3k/Plugins-1,radlr/Plugins,shamim8888/Plugins,modulexcite/Plugins