Latvian translation update
|Reported by:||edgarsj||Owned by:||nobody|
|Has patch:||yes||Needs documentation:|
|Needs tests:||Patch needs improvement:|
Localflavour app translation not completed. Otherwise should be 100%.
Message to other Latvians: If you find any typos you can contact me in case you're too lazy to fix them and create a ticket by yourselves.