Rename get-zones formats as pretty/dsl/tsv to zone/js/tsv (#687)

Co-authored-by: Tom Limoncelli <tlimoncelli@stackoverflow.com>

docs/get-zones.md

@@ -19,7 +19,7 @@ Syntax:
    dnscontrol get-zones [command options] credkey provider zone [...]
 
    --creds value   Provider credentials JSON file (default: "creds.json")
-   --format value  Output format: dsl pretty tsv nameonly (default: "pretty")
+   --format value  Output format: js zone tsv nameonly (default: "zone")
    --out value     Instead of stdout, write to this file
    --ttl value     Default TTL (0 picks the zone's most common TTL) (default: 0)
 
@@ -29,10 +29,10 @@ ARGUMENTS:
    zone:     One or more zones (domains) to download; or "all".
 
 FORMATS:
-   --format=dsl      dnsconfig.js format (not perfect, but a decent first draft)
-   --format=nameonly Just print the zone names
-   --format=pretty   BIND Zonefile format
-   --format=tsv      TAB separated value (useful for AWK)
+   --format=js        dnsconfig.js format (not perfect, but a decent first draft)
+   --format=zone      BIND Zonefile format
+   --format=tsv       TAB separated value (useful for AWK)
+   --format=nameonly  Just print the zone names
 
 When using `tsv`, the columns are:
    FQDN (the label with the domain)
@@ -41,14 +41,14 @@ When using `tsv`, the columns are:
    Record Type (A, AAAA, CNAME, etc.)
    Target and arguments (quoted like in a zonefile)
 
-The --ttl flag applies to pretty and dsl formats.
+The --ttl flag applies to zone and js formats.
 
 EXAMPLES:
    dnscontrol get-zones myr53 ROUTE53 example.com
    dnscontrol get-zones gmain GANDI_V5 example.comn other.com
    dnscontrol get-zones cfmain CLOUDFLAREAPI all
    dnscontrol get-zones -format=tsv bind BIND example.com
-   dnscontrol get-zones -format=dsl -out=draft.js glcoud GCLOUD example.com`,
+   dnscontrol get-zones -format=js -out=draft.js glcoud GCLOUD example.com`,
 
 
 # Example commands