Make OpenAFS 1.8.1.1

Make OpenAFS 1.8.1.1

Update configure version strings for 1.8.1.1. Note that macos kext
can be of form XXXX.YY[.ZZ[(d|a|b|fc)NNN]] where d dev, a alpha,
b beta, f final candidate so we have no way to represent 1.8.1.1.
Switch to 1.8.2 dev 1 for macOS.

Change-Id: I9a8e9a2f0e2c70599d4c9c95eb8828f31aa35731
Reviewed-on: https://gerrit.openafs.org/13298
Tested-by: Michael Meffie <mmeffie@sinenomine.net>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Marcio Brito Barbosa <mbarbosa@sinenomine.net>
Reviewed-by: Michael Meffie <mmeffie@sinenomine.net>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>