pfSense

When saving a GIF interface, do not allow the user to enter a subnet directly in the address box. The subnet is determined by the "GIF tunnel subnet" drop-down. Fixes #7789

(cherry picked from commit 6d028dc26c129ce1b0b25551142819772664f1e5)
(cherry picked from commit c7fd6ec9b196b0d7c37d14dad13f745dab82420d)...

fixed #7795
By changing var name to no longer conflict with ipsec widget

(cherry picked from commit 3ed475b11dfcb2999a71195987495ccf05808127)
(cherry picked from commit bc2772c18ef2aa9a32b941fcf79c0c160fad7666)

Eliminate unused functions from functions.inc.php

(cherry picked from commit 0f2d956be7d14f87776727ab476a4e47a51f6646)

Backport 2.4 getstats format for ease of maintenance

(cherry picked from commit 96d3d096a3c4c4d4cbc81befde9dbb3977c30a55)

Fix system information widget display order

(cherry picked from commit 135da15564e9efb33044195719e4296e86951d87)

Avoid JS error by always rendering mobile ipsec DIV, even if empty

(cherry picked from commit 60138edbd4d7740c2d140e0d8fb4c5ee945db9e5)

Merge branch 'RELENG_2_3_4' of gitlab.netgate.com:pfsense/pfsense into RELENG_2_3_4

Fixed JSON format in IPSec widet per Kill Bill (Thanks!)

(cherry picked from commit 2438b40dceaff2a23638be66018f8c9dc46d2e01)

Revise CPU load display to eliminate sleep in AJAX call

(cherry picked from commit c4ec696bf9eae3f8dbbad30b2e0804b9bf7de4b6)

No longer experimental so comment removed

(cherry picked from commit 2ef62d38adee7126141c1b54489cd191f59adc54)