Merge remote-tracking branch 'origin/master' into 2-dev

Author: scottinet

.travis.yml

@@ -76,6 +76,9 @@ jobs:
         email: [email protected]
         provider: script
         script: bash deploy.sh
+        on:
+          all_branches: true
+          condition: $TRAVIS_BRANCH =~ ^(master|*-stable)$
 
     - stage: Deployment Doc Dev
       name: Deploy next-docs.kuzzle.io

doc/2/controllers/collection/refresh/index.md

@@ -21,7 +21,7 @@ From the [Elasticsearch documentation](https://www.elastic.co/guide/en/elasticse
 
 ## Arguments
 
-```cs
+```csharp
 Task RefreshAsync(string index, string collection);
 ```