Tweaks to language of the link picker
Fixing some labellage that was not i18nized

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Ensuring placeholders are translated in select form control

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Adding 'anchor' picker to link picker

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Fixing issues with uberselect widget

* was not being destroyed cleanly, meaning that you could not destroy one and then re-create it

Was erroring when selected value was not present in list
Making anchor selection in link picker actually effect the anchor tag created in the editor

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When a link in an editor is pointing at an anchor that is not present in the editor body, still allow it to be selected from the anchor dropdown list

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