Improve log and leverage the new infrastructure in Maven (#1164)

common/src/main/java/org/mvndaemon/mvnd/common/Environment.java

@@ -296,10 +296,6 @@ public enum Environment {
      * start with <code>'glob:**&#47;'</code> to support any location of the local repository.
      */
     MVND_PLUGIN_REALM_EVICT_PATTERN("mvnd.pluginRealmEvictPattern", null, "", OptionType.STRING, Flags.OPTIONAL),
-    /**
-     * Whether or not decorate output and error streams
-     **/
-    MVND_RAW_STREAMS("mvnd.rawStreams", null, Boolean.FALSE, OptionType.VOID, Flags.OPTIONAL, "mvnd:--raw-streams"),
     /**
      * Overall timeout to connect to a daemon.
      */

common/src/main/java/org/mvndaemon/mvnd/common/Message.java

@@ -986,8 +986,8 @@ public abstract class Message {
                     + repositoryUrl + '\'' + ", resourceName='"
                     + resourceName + '\'' + ", contentLength="
                     + contentLength + ", transferredBytes="
-                    + transferredBytes + ", exception='"
-                    + exception + '\'' + '}';
+                    + transferredBytes
+                    + (exception != null ? ", exception='" + exception + '\'' : "") + '}';
         }
 
         private String mnemonic() {