The CSV format has always relied on numbers being quoted, which doesn't always happen. This fixes that so that numbers can now be unquoted (and the output does this as well so that the log takes up less space). 


mysql-test/r/csv.result:
  Fixed test case for format change. Added new test for floating point numbers.
mysql-test/t/csv.test:
  Fixed test for format change. Added test case for floating point numbers.
storage/csv/ha_tina.cc:
  Updated code to handle numbers as raw unquotes types in CSV