Org unit setting for whether to obscure the Date of Birth field.

Org unit setting for whether to obscure the Date of Birth field.

If true, this will set the column visibility for Date of Birth in patron lists to false by default (though a Saved Columns state can specify otherwise), and it will also obscure the value in the patron summary sidebar, making it
say <Hidden> unless the field label is clicked.

git-svn-id: svn://svn.open-ils.org/ILS/trunk@14143 dcc99617-32d9-48b4-a31d-7c20da2025e4