OPNSense/core e182339src/etc/inc system.inc

system: cleanly rewrite CA root files, add our own; closes #1460

(cherry picked from commit 59b913f9e5e5c7c722f5364e91feaac358e63ebf)
(cherry picked from commit 3d46287880bc0ed3960402f50ef809438c79a2ec)
(cherry picked from commit 241716e8a7a9f5bba53c870442505167bdced076)
DeltaFile
+17-1src/etc/inc/system.inc
+17-11 files

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