pfSense

Adds support for <width> XML tag in rowhelper selects

Default textarea width to 60 cols.
Use setCols() to override

Adds style="width: auto;" attribute to textareas to allow the "cols" attribute to take effect. Required bu pkg_edit.php and by wizards

Reverts change to Form_Selector which was breaking selectors with blank options

Modify CSS to allow caller to specify width

Added support for rows, cols and wrap to Forms_Textarea and to pkg_edit.php

Fix help text on delete row when selector is used in a PHP table

Test for #5676

Fixed #5678

Fix row add/delete issues intorduced by PR https://github.com/pfsense/pfsense/commit/f35ce6d20e6fd1e3b66b5935c70532d7e5fa741f/