Render plugin settings as <select> instead of <input> if options
are given.
New setting for cashier/customer facing behavior
Merge pull request #111 from CORE-POS/akt-plugin-select-opt

Akt plugin select opt
Merge remote-tracking branch 'origin/master' into akt-master

Conflicts:
	pos/is4c-nf/plugins/Paycards/Paycards.php