added migrate support for commerce_file field types
update to ensure file fields get a default scheme set
updated feeds plugin to handle setting files on licenses
Issue #1842670 by fathollahi.mehdi: added an #access to limits container to hide if no license access limits are defined
added form styles to field settings form
Issue #1855608 by elBradford: added form css overrides to fix access limit styles in the ief on kickstart
Issue #1789498 by rbayliss: eadded entity info to allow setting of created, changed, and granted
initial commit to implement access limit callbacks
removed duration option list since field input is no longer limited to this list
moved license info hook to commerce.inc
