access.smb - enhancement and fix if Wndows OS

Enhancement and fix :
- New parameter "Path Tmp" added in setting
- Fix smb.php $env must be NULL if Windows OS

Not fixed :
- Bug if name File or name directory with space or special characters
Fix user-defined metadata: fix #431 (quotes in long text), fix choices, remove "comments feed" it's a dedicated plugin.
Remove -strip option on imagick, use -flatten instead, otherwise background is black on resize.
forgotten console.log
regexp2like function must stripslashes previously escaped chars (via preg_quote). Fix #437