[doc/xs] Renaming files as 2012 budget
[doc/m] Adding 2011 original pdf and converted ods file for 2011 seville spending budget
[doc/xs] Removing first 102 rows as they refer to useless summaries
[doc/b] Updated 2012 spending dataset
[doc/b] Addeded 2013 spending dataset
[doc/xs] Coordinating 12 and 13 data
[doc/s] Merged spending 2012-2013 into one csv dataset