Comment 3 for bug 1730721

Please note, from version 10 on, Postgres will be changing the way versions are numbered. The result is that we will only want to track the first component from here on out, rather than the first and second. Since there won't be a two digit component of the first two from <= 9.6, we can instead just start taking the first two numeric characters in the version string. Granted, we'll have to revisit when PG hits version 100, in about 90 years, but hopefully we'll all individually have figured out something better to do by then, with our flying cars and our moon bases.