Minix 3/src 93184c8bin/sync sync.8, bin/test test.1

Sync some manuals from bin & sbin with NetBSD-8

Grammar fixes.
Add/correct HISTORY section.

closes #276

Change-Id: I0640104acea9be90f4cbbda34abfb47c8a0b753b
DeltaFile
+12-4sbin/chown/chown.8
+7-5sbin/shutdown/shutdown.8
+8-3bin/test/test.1
+6-3sbin/nologin/nologin.8
+3-3bin/sync/sync.8
+3-3sbin/mknod/mknod.8
+39-216 files

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