added episode compatibility with v2.5

Author: rswamina

_episodes/03-configuration.md

@@ -1,5 +1,5 @@
 ---
-title: "Configuration"
+title: "Configuration (compatible with ESMValTool v2.5)"
 teaching: 10
 exercises: 10
 questions:

_episodes/04-recipe.md

@@ -1,5 +1,5 @@
 ---
-title: "Running your first recipe"
+title: "Running your first recipe (compatible with ESMValTool v2.5)"
 teaching: 15
 exercises: 15
 questions:

_episodes/05-conclusions.md

@@ -1,5 +1,5 @@
 ---
-title: "Conclusion of the basic tutorial"
+title: "Conclusion of the basic tutorial (compatible with ESMValTool v2.5)"
 teaching: 10
 exercises: 0
 questions:
@@ -78,7 +78,7 @@ If you get stuck, a great starting point is to create a
 
 There is also an ESMValTool email list.
 Please see
-[information](https://docs.esmvaltool.org/en/latest/community/contact.html#user-mailing-list)
+[information](https://docs.esmvaltool.org/en/latest/introduction.html#support)
 on how to subscribe to user mailing list.
 
 ### What if I find a bug?

_episodes/06-preprocessor.md

@@ -1,5 +1,5 @@
 ---
-title: "Writing your own recipe"
+title: "Writing your own recipe (compatible with ESMValTool v2.5)"
 teaching: 15
 exercises: 30
 questions:

_episodes/07-development-setup.md

@@ -1,5 +1,5 @@
 ---
-title: "Development and contribution"
+title: "Development and contribution (may not be compatible with ESMValTool v2.5)"
 teaching: 10
 exercises: 20
 questions:

_episodes/08-diagnostics.md

@@ -1,5 +1,5 @@
 ---
-title: "Writing your own diagnostic script"
+title: "Writing your own diagnostic script (may not be compatible with ESMValTool v2.5)"
 teaching: 20
 exercises: 30
 

_episodes/09-cmorization.md

@@ -1,5 +1,5 @@
 ---
-title: "CMORization: adding new datasets to ESMValTool"
+title: "CMORization: adding new datasets to ESMValTool (compatible with ESMValTool v2.5)"
 teaching: 15
 exercises: 45