pfSense

Added control to set dashboard widget refresh period
Start each widget refresh system after a short random delay to prevent all widgets hitting the server at the exactsame time
Fix issues wherein two widgets were resetting the refresh timer from the AJAX call, not the call-back function, thereby risking stepping on themselves...

Tweak upgrade - Remove unused code and document changes better

This will ensure a smooth upgrade for those running config 15.4 to any next version.

Revert "Add config upgrade code to update package names. Ticket #6118"

This reverts commit 291fad43870bdb39ef0ab32125b022e268a29cf7.

Add config upgrade code to update package names. Ticket #6118

Update VIPs CARP parent on upgrade. Ticket #6164

Rebase / Update config version.

Add checks in case there are dpinger param problems

in 2.3 installations that were upgraded from 2.2.* when the apinger to
dpinger params conversion code in upgrade_130_to_131() was not so good.

(cherry picked from commit f8f2eae491ac44ac5cdbd1fd3d38d7c2c36f48f8)

Bring back rainterface, add config upgrade to convert to new _vip format. Ticket #6043

Set the ALTQ root queue bandwidth.

Whenever possible set it to 1Gb, if the sum of child queues if higher than 1Gb, set it the correct value so we do not break any existing setup.

Ticket #5721

Bump default config ver to 14.8