Uses new MDM version. A few versions were apparently skipped, so the
schema.rb changes include those as well.
Remove module version display

Since modules no longer use the 'Version' key, there's no point to
collect and show them. It's all 0 anyway.

[See RM 8278]
Get rid of version() use
Ensure checksum* methods return a Fixnum

Fixes a bug in reverse_http* stagers where requests for the root URI
(i.e., "/") cause a NoMethodError on nil returned by checksum8.

[See #2216]
Merge pull request #2112 from shuckins-r7/bug/remove-rname-validation

Update to MDM 0.16.6
Land #2226 - Ensure checksum* methods return a Fixnum
Land #2222, remove Version from module info