Lower case nits and clean up cluster uninstall (#599)

(cherry picked from commit 41ddd8a)

Author: vishalbollu

cli/cmd/cluster.go

@@ -184,7 +184,7 @@ var downCmd = &cobra.Command{
 			errors.Exit(err)
 		}
 
-		prompt.YesOrExit("are you sure you want to uninstall cortex? (your cluster will be spun down and all apis will be deleted)", "")
+		prompt.YesOrExit("your cluster will be spun down and all apis will be deleted, are you sure you want to uninstall cortex?", "")
 
 		awsCreds, err := getAWSCredentials(flagClusterConfig)
 		if err != nil {

pkg/lib/clusterconfig/config_key.go

@@ -66,15 +66,15 @@ const (
 	InstanceDistributionUserFacingKey                = "spot instance distribution"
 	OnDemandBaseCapacityUserFacingKey                = "spot on demand base capacity"
 	OnDemandPercentageAboveBaseCapacityUserFacingKey = "spot on demand percentage above base capacity"
-	MaxPriceUserFacingKey                            = "spot max price (USD per hour)"
+	MaxPriceUserFacingKey                            = "spot max price ($ per hour)"
 	InstancePoolsUserFacingKey                       = "spot instance pools"
-	LogGroupUserFacingKey                            = "CloudWatch log group"
+	LogGroupUserFacingKey                            = "cloudwatch log group"
 	TelemetryUserFacingKey                           = "telemetry"
 	ImagePredictorServeUserFacingKey                 = "predictor serving image"
 	ImagePredictorServeGPUUserFacingKey              = "predictor serving gpu image"
 	ImageTFServeUserFacingKey                        = "tensorflow serving image"
 	ImageTFServeGPUUserFacingKey                     = "tensorflow serving gpu image"
-	ImageTFAPIUserFacingKey                          = "tensorflow API image"
+	ImageTFAPIUserFacingKey                          = "tensorflow api image"
 	ImageONNXServeUserFacingKey                      = "onnx serving image"
 	ImageONNXServeGPUUserFacingKey                   = "onnx serving gpu image"
 	ImageOperatorUserFacingKey                       = "operator image"