check for mkdocs build, and a typo fix

Jenkinsfile

@@ -22,7 +22,7 @@ node('local') {
         }
 
         stage('Check Documentation') {
-            sh 'mkdocs build'
+            sh 'mkdocs build --clean --strict'
         }
 
         if(currentBuild.result == null || "SUCCESS".equals(currentBuild.result)) {

docs/general/config.md

@@ -60,7 +60,7 @@ samples:
         bam: MySecond.bam
 ```
 
-Note that there is a tool called [SamplesTsvToJson](../tools/SamplesTsvToJson.md) this enables a user to get the sample config without any chance of creating a wrongly formatted JSON file.
+Note that there is a tool called [SamplesTsvToConfig](../tools/SamplesTsvToConfig.md) that enables the user to get the sample config without any chance of creating a wrongly formatted file.
 
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