Localisation updates from http://translatewiki.net.

Change-Id: Ic263f9c996eb4604e19838f472a63ca1ae7db730
paypal form to make corrections before redirect

Change-Id: Ide392956212db511fbbd908ff94986d3ab861544
Flooring non-fractional currencies in the DonationData class. Apparently just not decimal-formatting them is insufficient for some forms.

Change-Id: Ie853f40a17dcb77eb272f7a587afba889df80e48