Updated zend.form.element.date to include format option
Updated zend.form.element.date.time.local to include format option
Updated zend.form.element.date.time to include format option
Updated zend.form.element.time to include format option

Also added note to inform about the usage of the element and helper
with regards to the validation format.
Merge branch 'hotfix/815'

Close #815
Merge pull request #817 from SGI495/fix/zend.form.element.time

Fix/zend.form.element.time and related time/date elements
Merge branch 'hotfix/817' into develop

Forward port #817