Switch to using survey for prompts

We now use the survey package, which is a lot prettier. It also handles the use of an editor for the bio, etc, which is much MUCH better.

This commit also enables the city and year flags on the create speaker command properly.

Fixes #72

Author: mattstratton

cmd/speaker.go

@@ -29,19 +29,14 @@ var createSpeakerCmd = &cobra.Command{
 	Use:   "speaker",
 	Short: "Creates a new speaker for an event",
 	Long: `Creates a new speaker for an event.
-You can provide the speaker's name as an argument to this command, but it must be the "cleaned" name.
 	`,
-	Example: `  devopsdays-cli create speaker george-bluth
+	Example: `  devopsdays-cli create speaker
   devopsdays-cli create speaker --city new-york
-  devopsdays-cli create speaker george-bluth -c "New York" --year "2017"`,
+  devopsdays-cli create speaker -c "New York" --year "2017"`,
 
 	Args: cobra.MaximumNArgs(1),
 	Run: func(cmd *cobra.Command, args []string) {
-		if len(args) > 0 {
-			create.CreateSpeaker(args[0], "", "")
-		} else {
-			create.CreateSpeaker("", "", "")
-		}
+		create.Speaker("", City, Year)
 	},
 }