Add shortcuts

Signed-off-by: jolheiser <john.olheiser@gmail.com>

cmd/add.go

@@ -16,6 +16,7 @@ import (
 
 var Add = cli.Command{
 	Name:    "add",
+	Aliases: []string{"a"},
 	Usage:   "Add a package",
 	Flags: []cli.Flag{
 		&cli.BoolFlag{

cmd/get.go

@@ -16,6 +16,7 @@ import (
 
 var Get = cli.Command{
 	Name:    "get",
+	Aliases: []string{"g"},
 	Usage:   "Get package(s)",
 	Action:  doGet,
 }

cmd/list.go

@@ -10,7 +10,7 @@ import (
 
 var List = cli.Command{
 	Name:    "list",
-	Aliases: []string{"l"},
+	Aliases: []string{"ls", "l"},
 	Usage:   "List local packages",
 	Action:  doList,
 }

cmd/server.go

@@ -15,6 +15,7 @@ import (
 
 var Server = cli.Command{
 	Name:    "server",
+	Aliases: []string{"web"},
 	Usage:   "Start the gpm server",
 	Flags: []cli.Flag{
 		&cli.IntFlag{

cmd/update.go

@@ -14,6 +14,7 @@ import (
 
 var Update = cli.Command{
 	Name:    "update",
+	Aliases: []string{"u"},
 	Usage:   "Update a package",
 	Flags: []cli.Flag{
 		&cli.BoolFlag{