Added entry for custom label - #5425

Added entry to helper macro for putting
the custom label as per needs.
Merge pull request #147 from tanmaysaxena/feature/task-5774

Removed checkbox, changed heading, full-size button - #5774
Merge pull request #129 from tanmaysaxena/feature/task-5425

Added entry for custom label - #5425
Removed placeholders from the form - #5774

Removed the placeholders from the form
of new shipping address.

TODO - Stop the autofill happening from
python file.