ZF-3538: Setting class on form element sets class on label

Description

when setting the class of a form element the corresponding label element is set to the same class.

example code: $element->class = $foo;

sets and

Comments

Confirmed; scheduling for 1.6 final release.

Patched in trunk with r10677 and in 1.6 release branch with r10678.

Updating for the 1.6.0 release.