Merged r12038 from trunk to 2.3-stable (#14531, #14521)

Spanish translations for 2.3.x updated by Jorge López.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/branches/2.3-stable@12040 e93f8b46-1217-0410-a6f0-8f06a7374b81