added default CLI commands

cli/command_block_index_list.go

@@ -9,7 +9,7 @@ import (
 )
 
 var (
-	blockIndexListCommand = blockIndexCommands.Command("list", "List block indexes").Alias("ls")
+	blockIndexListCommand = blockIndexCommands.Command("list", "List block indexes").Alias("ls").Default()
 	blockIndexListAll     = blockIndexListCommand.Flag("all", "List all blocks, not just active ones").Short('a').Bool()
 	blockIndexListSummary = blockIndexListCommand.Flag("summary", "Display block summary").Bool()
 )

cli/command_manifest_ls.go

@@ -9,7 +9,7 @@ import (
 )
 
 var (
-	manifestListCommand = manifestCommands.Command("list", "List manifest items").Alias("ls")
+	manifestListCommand = manifestCommands.Command("list", "List manifest items").Alias("ls").Default()
 	manifestListPrefix  = manifestListCommand.Flag("prefix", "Prefix").String()
 	manifestListFilter  = manifestListCommand.Flag("filter", "List of key:value pairs").Strings()
 	manifestListSort    = manifestListCommand.Flag("sort", "List of keys to sort by").Strings()

cli/command_snapshot_create.go

@@ -27,7 +27,7 @@ const (
 )
 
 var (
-	snapshotCreateCommand = snapshotCommands.Command("create", "Creates a snapshot of local directory or file.")
+	snapshotCreateCommand = snapshotCommands.Command("create", "Creates a snapshot of local directory or file.").Default()
 
 	snapshotCreateSources                 = snapshotCreateCommand.Arg("source", "Files or directories to create snapshot(s) of.").ExistingFilesOrDirs()
 	snapshotCreateAll                     = snapshotCreateCommand.Flag("all", "Create snapshots for files or directories previously backed up by this user on this computer").Bool()