SVN commit 1459022 by ecuadra:

Spanish translation update

 D             umbrello.po  
 D             umbrello_authors.po  
 D             umbrello_code_import_and_generation.po  
 D             umbrello_credits.po  
 D             umbrello_introduction.po  
 D             umbrello_other_features.po  
 D             umbrello_uml_basics.po  
 D             umbrello_working_with_umbrello.po