date 7.x-2.1

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Version 7.x-2.1
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- Issue #1437242 by zerbash, Remove extraneous leading slashes in module_load_include().
- Issue #1436722 by hefox: Fixed Undefined variable $form_set_error() used as function.
- Issue #1250626 by Gábor Hojtsy, B-Prod, hefox: Added start date and end date labels.
- Issue #1253482, Make sure $argument->is_default gets reset by the Date pager when altering results.
- Adjust Date Tools to work with changes to use Views templates to create calendars.
- Issue #1398584 by dhalbert and , Make sure groupby times is initialized.
- Issue #1394248, Make sure all date parts are selected when using an exposed select filter.
- Issue #1425774 by sgabe, Fix error in exposed filter, array_filter() -- first argument should be an array in date_select_input_date().
- Issue #1432992 by bart.hanssens, Fix typo in php documentation.
- Issue #323852 by tim.plunkett and arlinsandbulte, Dropdowns shouldn't include a blank option when required.
- Issue #323852, Validation was broken for unlimited value select widgets with required dates, they were incorrectly getting their end dates cleared out.
- Issue #1424656 by tim.plunkett, Unify signature and alters of #process callbacks.
- Issue #1408014 by dasjo, We no longer need the $error_element value to display errors properly, second follow-up.
- Issue #1299030 by Vincent B: Ensure that 'To Date' is properly marked when required.