pfSense

Fixed #5227 by changing button type to Global

improve spacing for non form panels

Fixed #5230

Specify %any where identifier is "any", so the note on these pages
actually works.

Merge pull request #1941 from heper/patch-2

Addresses #5159 by removing hide/show/disable/enable functions to included file

Fixed #5193 clean up user prompts

$mac missing in output

Introduce read_global_var:

- Add a new script, read_global_var, that returns the value of any item
contained in global array $g
- Replace all grep and sed magic from shell scripts

Preparation #5159 (Javascript refactoring)
javascript/pfSenseHelpers.js created and populated with common hide/show/disable/enable functions
file included via foot.inc
Those functions removed from firewall_nat_edit.php to test