changed the name of the SPARQL file according to the example

- temperature-saturday.sparql -> temperature-sunday.sparql

Signed-off-by: James G. Kim <jgkim@jayg.org>
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of git://github.com/mhausenblas/5stardata.info
Translated into Korean Egon Willighagen's added details about benefits of one-star data
Translated into Korean acks to Egon and James and provided pointer to James's homepage
Translated into Korean Christopher Gutteridge's additional contributions
Adopted Kingsley Idehen's modification in the Korean version
Translated into Korean the link to ODI's open data certificate
Removed unneeded text that should have been deleted before
Merge pull request #11 from jgkim/master

Adopted the changes made by others into the Korean version