Merge pull request #391 from jeffaco/jeff-comment

Add -comment capability to allow for duplicacy jobs to be identified with 'ps'

README.md

@@ -28,6 +28,7 @@ The key idea of **[Lock-Free Deduplication](https://github.com/gilbertchen/dupli
 
 * [A brief introduction](https://github.com/gilbertchen/duplicacy/wiki/Quick-Start)
 * [Command references](https://github.com/gilbertchen/duplicacy/wiki)
+* [Building from source](https://github.com/gilbertchen/duplicacy/wiki/Installation)
 
 ## Storages
 

duplicacy/duplicacy_main.go

@@ -1846,7 +1846,11 @@ func main() {
 			Usage:    "enable the profiling tool and listen on the specified address:port",
 			Argument: "<address:port>",
 		},
-}
+		cli.StringFlag{
+			Name:	"comment",
+			Usage:	"value that is ignored by duplicity (useful for identifying process)",
+		},
+	}
 
 	app.HideVersion = true
 	app.Name = "duplicacy"