Add optional database execution order to sp_ineachdb.

[jbelina]

I had fun with other sort options, but RANDOM and EMAN didn't seem practical.

ORDER BY
          CASE @database_order
          WHEN N'NAME' THEN name
          WHEN N'RANDOM' THEN TRY_CAST(NEWID() AS NVARCHAR(36)) -- Just for fun #1 Random order
          WHEN N'EMAN' THEN REVERSE(name) -- Just for fun #2 EMAN (NAME backwards)
          ELSE NULL END ASC
          , id ASC;

#4033

[BrentOzar]

Thanks for the pull request! Makes sense, looks good, merging into dev, will be in the next release with credit to you in the release notes.