Update Spanish locale
Merge pull request #193 from dennistobar/translate-es-feb2014

Update Spanish locale
5.7.2 build 1 (developer beta preview release)
Fixes false positive error when opening a .torrent file from disk with the open torrent dialog.
Translation update, new Strings extracted, messages.jar updated.
resolved conflict
updated messages.jar with updated spanish strings.
more spanish translation updates.
fixed layout issue with gap on create torrent dialog.
case issue, removing cc.png temporarily
readding as CC.png
changelog update, dogecoin mention was missing.
Fixes issue refreshing transfer title on download mediator.
Multimedia Slides now support payment options. Made PaymentOptions JSON compatible, cleaned up duplicate NPE check warning.