Merge 'build: goimports applied to entire code base' from Henrik

"To avoid spurious diffs from auto formatting editors."

* origin/hj/go_fmt:
  build: goimports applied to entire code base

cmd/gemini/root.go

@@ -212,12 +212,12 @@ func Job(schema gemini.Schema, table gemini.Table, s *gemini.Session, p gemini.P
 			}
 		}
 
-		threadNum := p.Min/pkNumberPerThread
-		if i % 1000 == 0 && threadNum == rand.Intn(concurrency) {
+		threadNum := p.Min / pkNumberPerThread
+		if i%1000 == 0 && threadNum == rand.Intn(concurrency) {
 			fmt.Printf("thread %v: ", threadNum)
 			fmt.Println(testStatus)
 		}
-		
+
 		if failFast && testStatus.ReadErrors > 0 {
 			break
 		}

schema.go

@@ -50,7 +50,7 @@ type PartitionRange struct {
 }
 
 func randRange(min int, max int) int {
-	return rand.Intn(max - min) + min
+	return rand.Intn(max-min) + min
 }
 
 func randString(len int) string {
@@ -64,7 +64,7 @@ func randDate() time.Time {
 	min := time.Date(1970, 1, 0, 0, 0, 0, 0, time.UTC).Unix()
 	max := time.Date(2019, 1, 0, 0, 0, 0, 0, time.UTC).Unix()
 
-	sec := rand.Int63n(max - min) + min
+	sec := rand.Int63n(max-min) + min
 	return time.Unix(sec, 0)
 }