Implement onSessionLogin trigger for commands.yml (#1198)

* Implement onSessionLogin trigger for commands.yml

Needs test methods, @ljacqu any advice?

* Add simple onSessionLogin test

src/test/java/fr/xephi/authme/settings/commandconfig/CommandManagerTest.java

@@ -92,6 +92,21 @@ public class CommandManagerTest {
         verifyZeroInteractions(geoIpService);
     }
 
+    @Test
+    public void shouldExecuteCommandsOnSessionLogin() {
+        // given
+        copyJarFileAsCommandsYml(TEST_FILES_FOLDER + "commands.complete.yml");
+        initManager();
+
+        // when
+        manager.runCommandsOnSessionLogin(player);
+
+        // then
+        verify(bukkitService).dispatchConsoleCommand("msg Bobby Session login!");
+        verifyNoMoreInteractions(bukkitService);
+        verifyZeroInteractions(geoIpService);
+    }
+
     @Test
     public void shouldExecuteCommandsOnJoin() {
         // given

src/test/resources/fr/xephi/authme/settings/commandconfig/commands.complete.yml

@@ -21,3 +21,7 @@ onLogin:
     display_list:
         command: 'list'
         executor: PLAYER
+onSessionLogin:
+    welcome:
+        command: 'msg %p Session login!'
+        executor: CONSOLE