#414 Change argument call to '--'

client/src/main/java/de/fitko/fitconnect/client/cmd/CommandLineArgs.java

@@ -5,14 +5,14 @@ import com.beust.jcommander.Parameter;
 public class CommandLineArgs {
 
     @Parameter(
-            names = "-clientId",
+            names = "--clientId",
             description = "FitConnect OAuth clientId",
             required = true
     )
     public String clientId;
 
     @Parameter(
-            names = "-secret",
+            names = "--secret",
             description = "FitConnect OAuth clientId",
             required = true
     )