changed format of version number, corrected version numbers and removed other presence of version number

Author: rswamina

_episodes/00-introduction.md

@@ -2,7 +2,7 @@
 title: "Introduction"
 teaching: 5
 exercises: 10
-compatibility: ESMValTool v.2.5.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - What is ESMValTool?

_episodes/01-quickstart.md

@@ -2,7 +2,7 @@
 title: "Quickstart guide"
 teaching: 2
 exercises: 8
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 
 questions:
 
@@ -31,8 +31,8 @@ keypoints:
   configuration file"
 - "Use `esmvaltool run <recipe>.yml` to run a recipe"
 ---
->
-> This quickstart guide is compatible with ESMValTool v2.6.0.
+
+
  {: .callout}
 
 > ## What is the purpose of the quickstart guide?

_episodes/02-installation.md

@@ -2,7 +2,7 @@
 title: "Installation"
 teaching: 10
 exercises: 10
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 questions:
 - "What are the prerequisites for installing ESMValTool?"
 - "How do I confirm that the installation was successful?"

_episodes/03-configuration.md

@@ -2,7 +2,7 @@
 title: "Configuration"
 teaching: 10
 exercises: 10
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - What is the user configuration file and how should I use it?

_episodes/04-recipe.md

@@ -2,7 +2,7 @@
 title: "Running your first recipe"
 teaching: 15
 exercises: 15
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - "How to run a recipe?"

_episodes/05-conclusions.md

@@ -2,7 +2,7 @@
 title: "Conclusion of the basic tutorial"
 teaching: 10
 exercises: 0
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - "What do I do now?"

_episodes/06-preprocessor.md

@@ -2,7 +2,7 @@
 title: "Writing your own recipe"
 teaching: 15
 exercises: 30
-compatibility: ESMValTool v.2.6.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - "How do I create a new recipe?"

_episodes/07-development-setup.md

@@ -2,7 +2,7 @@
 title: "Development and contribution"
 teaching: 10
 exercises: 20
-compatibility: ESMValTool v.2.5.0
+compatibility: ESMValTool v.2.5
 
 questions:
 - "What is a development installation?"

_episodes/08-diagnostics.md

@@ -2,7 +2,7 @@
 title: "Writing your own diagnostic script"
 teaching: 20
 exercises: 30
-compatibility: ESMValTool v.2.4.0
+compatibility: ESMValTool v.2.4
 
 questions:
 - "How do I write a new diagnostic in ESMValTool?"

_episodes/09-cmorization.md

@@ -2,7 +2,7 @@
 title: "CMORization: adding new datasets to ESMValTool"
 teaching: 15
 exercises: 45
-compatibility: ESMValTool v.2.5.0
+compatibility: ESMValTool v.2.6
 
 questions:
 - "CMORization: what is it and why do we need it?"