Various minor changes

- AsynchronousLogin: call common permission methods through CommonService instead of PermissionsManager
- CommandManager: remove superfluous replacement of %p (handled by lazy tag replacer)
- Remove unused method in CommonService
- Create DebugSectionConsistencyTest
- SendMailSSL: Enable debug output if AuthMe log level is set to debug
- Add Utils#logAndSendMessage and replace existing, separate implementations

src/main/java/fr/xephi/authme/mail/SendMailSSL.java

@@ -1,8 +1,10 @@
 package fr.xephi.authme.mail;
 
 import fr.xephi.authme.ConsoleLogger;
+import fr.xephi.authme.output.LogLevel;
 import fr.xephi.authme.settings.Settings;
 import fr.xephi.authme.settings.properties.EmailSettings;
+import fr.xephi.authme.settings.properties.PluginSettings;
 import fr.xephi.authme.util.StringUtils;
 import org.apache.commons.mail.EmailConstants;
 import org.apache.commons.mail.EmailException;
@@ -56,6 +58,9 @@ public class SendMailSSL {
         email.setFrom(senderMail, senderName);
         email.setSubject(settings.getProperty(EmailSettings.RECOVERY_MAIL_SUBJECT));
         email.setAuthentication(settings.getProperty(EmailSettings.MAIL_ACCOUNT), mailPassword);
+        if (settings.getProperty(PluginSettings.LOG_LEVEL).includes(LogLevel.DEBUG)) {
+            email.setDebug(true);
+        }
 
         setPropertiesForPort(email, port);
         return email;