Merge branch 'stable-2.13' into stable-2.14

* stable-2.13:
  Fix typo in sample gerrit.config
  Align handling of configuration error with other plugins
  Introduce sslVerify configuration parameter
  Remove redundant SSL Socket Factory set
  Postpone retrieval of HttpSession
  Add possibility to override global configuration per remote
  Fix threads leak when PostTask is executed
  Add headers to EventProcessor
  Introduce events processor

Change-Id: I3234220a95b42003e9d3d22f48705688c8c5c0de
diff --git a/src/main/resources/Documentation/config.md b/src/main/resources/Documentation/config.md
index fc05676..b6614e9 100644
--- a/src/main/resources/Documentation/config.md
+++ b/src/main/resources/Documentation/config.md
@@ -7,7 +7,7 @@
 ```
 [plugin "@PLUGIN@"]
   connectionTimeout = 3000
-  socketTimeout 2500
+  socketTimeout = 2500
   maxTries = 300
   retryInterval = 2000
   threadPoolSize = 3