Merge pull request cockroachdb#13530 from vivekmenezes/race

sql: change TestRaceWithBackfill to run against a cluster

Merge pull request cockroachdb#13444 from nvanbenschoten/nvanbenschot…

…en/tupleDatum

sql/parser: split parser.DTuple into parser.DTuple and parser.Datums

Merge pull request cockroachdb#13130 from knz/update-readme

Update README.md to add a title and description.

Merge pull request cockroachdb#12838 from tamird/fix-vendor

vendor: update the ref

Merge pull request cockroachdb#12662 from knz/fix-clog

Miscellaneous logging improvements

Merge pull request cockroachdb#12301 from irfansharif/feat/distsql-di…

…stinct-spec

distsql: simplification of DISTINCT spec

Merge pull request cockroachdb#12167 from knz/fix-order-by-count

sql: fix the ordering by COUNT(*).

Merge pull request cockroachdb#11728 from a-robinson/isolatedaddr

gossip/simulation: Use IsolatedTestAddr to avoid running out of ports

Merge pull request cockroachdb#10530 from bdarnell/update-etcd

build: Update etcd

Merge pull request cockroachdb#10395 from bdarnell/bdarnell/disable-p…

…revote

storage: Switch back from PreVote to CheckQuorum