BUG: refs #0326. changed item.description datatype for mysql and pgsql to text.
BUG: refs #0326. changed item.description datatype for mysql and pgsql to text.

jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas,jcfr/Midas