Fixes #16 indicate test and live for webservice settings

etc/adminhtml/system/adyen_required_settings.xml

@@ -50,23 +50,23 @@
             <tooltip>Set a password of your choice and copy it over to Adyen Customer Area => Settings => Server Communication => Standard Notification => Password.</tooltip>
         </field>
         <field id="ws_username_test" translate="label" type="text" sortOrder="50" showInDefault="1" showInWebsite="1" showInStore="0">
-            <label>Webservice username</label>
+            <label>Webservice username for Test</label>
             <tooltip>Find this in your Test Adyen Customer Area => Settings => Users => System. Normally this will be ws@Company.YourCompanyAccount. Copy and Paste the exact ws user name here.</tooltip>
             <config_path>payment/adyen_abstract/ws_username_test</config_path>
         </field>
         <field id="ws_password_test" translate="label" type="obscure" sortOrder="60" showInDefault="1" showInWebsite="1" showInStore="0">
-            <label>Webservice Password</label>
+            <label>Webservice Password for Test</label>
             <tooltip>Find this in your Test Adyen Customer Area => Settings => Users => System. Click on your web service user and generate a new password. Copy and Paste the exact password here.</tooltip>
             <backend_model>Magento\Config\Model\Config\Backend\Encrypted</backend_model>
             <config_path>payment/adyen_abstract/ws_password_test</config_path>
         </field>
         <field id="ws_username_live" translate="label" type="text" sortOrder="70" showInDefault="1" showInWebsite="1" showInStore="0">
-            <label>Webservice username</label>
+            <label>Webservice username for Live</label>
             <tooltip>This is only applicable if you have a Live account. Find this in your Live Adyen Customer Area => Settings => Users => System. Normally this will be ws@Company.YourCompanyAccount. Copy and Paste the exact ws user name here.</tooltip>
             <config_path>payment/adyen_abstract/ws_username_live</config_path>
         </field>
         <field id="ws_password_live" translate="label" type="obscure" sortOrder="80" showInDefault="1" showInWebsite="1" showInStore="0">
-            <label>Webservice Password</label>
+            <label>Webservice Password for Live</label>
             <tooltip>This is only applicable if you have a Live account. Find this in your Live Adyen Customer Area => Settings => Users => System. Click on your web service user and generate a new password. Copy and Paste the exact password here.</tooltip>
             <backend_model>Magento\Config\Model\Config\Backend\Encrypted</backend_model>
             <config_path>payment/adyen_abstract/ws_password_live</config_path>