update pl.po
Merge pull request #333 from nalesnikld/master

update pl.po
removed obsolete strings
.po files updated
fix de.po
translate new strings in ru.po
delete not used html tags
Merge pull request #329 from X-NicON/mfix

Update de and ru .po
Fix library explorer action in linux.
Launch hand pick selection dialog when opening a torrent in library (in Windows).
Update hr.po
Merge pull request #340 from win32re/patch-27

Update hr.po
translation updates, fixes issue with spanish translation
Update hr.po
Merge pull request #341 from win32re/patch-29

Update hr.po
pl.po cherry pick - conflicts solved
Include build version on bug report