fix ru translation

replace I18nMarker.marktr. not exercising translation
Merge pull request #237 from X-NicON/fixrutr

fix ru translation
Croatian translation fixes
Merge pull request #236 from win32re/croatian

Croatian language fixes & updates
Update hr.po
Important change to avoid issue related to recursive creation/access to final static fields. This was the reason the search hint popup didn't hide or show properly.
Merge branch 'master' of github.com:frostwire/frostwire-desktop
Now the transfer can recover the saved state (paused or not).
Merge pull request #239 from win32re/patch-1

Update hr.po
Update hr.po

Update hr.po
Merge pull request #238 from darthxjanus/patch-1

Update hr.po