consolidate the ix-* rc.d scripts
There's a few places where there is confusing divergence between the ix-* rc.d scripts between FreeNAS and TrueNAS.
Expunge is_freenas in favor of midclt
I'll confess that I'm always either tempted to typo midclt as
midctl, or think of midichlorians (which were the third dumbest
thing ever in the Star Wars universe)
 Jar-Jar Binks
In case anyone was wondering.
Consolidate ix-fstab between FreeNAS and TrueNAS
Along the way fix some shell syntax errors.
Consolidate ix-sysctl with TrueNAS.
Along the way fix an obvious bug in the reload verb.