Squashed commit of the following:

commit dd8b9da4c113a5166ad6f72a808b7b25a3c85133
Author: legolasbo <legolasbo@2480548.no-reply.drupal.org>
Date:   Sat Nov 7 15:00:55 2015 +0100

    select_or_other_taxonomy now creates it's own options.

commit 2c6cc2579a87940a3a122d19ebaf16dbc7c9e108
Author: legolasbo <legolasbo@2480548.no-reply.drupal.org>
Date:   Sat Nov 7 00:30:23 2015 +0100

    select_or_other_taxonomy now passes testing.

commit 006b4a782575f141031bcd98590edf8ac23717be
Author: legolasbo <legolasbo@2480548.no-reply.drupal.org>
Date:   Fri Nov 6 21:00:26 2015 +0100

    Other changes from #2598176-16 added

commit 6ab319dca4d39a03f4d1e8a5777b79157058b1b8
Author: legolasbo <legolasbo@2480548.no-reply.drupal.org>
Date:   Fri Nov 6 19:07:27 2015 +0100

    Tests from #2598176-16 added

commit dc59c44b3add5ebaad788d7ab2c0f6a08d10e68b
Author: legolasbo <legolasbo@2480548.no-reply.drupal.org>
Date:   Fri Nov 6 08:28:07 2015 +0100

    Basic extract done. Still needs a lot of bugfixing.

Dan Chadwick authored May 14, 2015 and Chris Jansen committed May 14, 2015

Issue #2481127 by DanChadwick, legolasbo: Incompatible with HTML5 required attribute, affecting Webform 7.x-4.8

Issue #1671342 by legolasbo: Fatal error: Cannot unset string offsets in select_or_other/select_or_other.field_widget.inc on line 307

Adam Bramley authored Mar 06, 2015 and Chris Jansen committed Mar 06, 2015

Issue #2240995 by acbramley: Unset $element['#type'] in select_or_other_element_process() causes other modules to throw errors

Marc Ferran authored Mar 05, 2015 and Chris Jansen committed Mar 05, 2015

Issue #2396079 by markus_petrux: Notice: Undefined index: #default_value in select_or_other_element_process()

Conflicts:
	select_or_other.field_widget.inc
	select_or_other.module

Issue #2409017 by legolasbo, chellman: Taxonomy Term Select (or Other) feature does not seem to accept comma-separated or space-separated other terms

Issue #1716764 by DamienMcKenna, rvilar, ShaunDychko, galaxor, haydeniv | populist: Added Incorporate Select or Other Taxonomy module.

Issue #1494954 by Hydra, mrfelton | Rory: Integer / float field settings validates '- Select a value -' default value.

Issue #2072857 by kaidjohnson, kylesmith, fullerja: Webform component's Label and Description do not display.

(or other) widget

Select (or other) widget.