Adding note in the docs about Stubrunner and messaging; fixes #407

tests/spring-cloud-contract-stub-runner-amqp/README.adoc

@@ -21,6 +21,10 @@ The message is triggered to all matching message listeners.
 It's enough to have both Spring AMQP and Spring Cloud Contract Stub Runner on the classpath and set the property `stubrunner.amqp.enabled=true`.
 Remember to annotate your test class with `@AutoConfigureStubRunner`.
 
+IMPORTANT: If you already have Stream and Integration on the classpath you need
+to disable them explicitly via `stubrunner.stream.enabled=false` and `stubrunner.integration.enabled=false`
+properties
+
 ==== Examples
 
 ===== Stubs structure

tests/spring-cloud-contract-stub-runner-camel/README.adoc

@@ -12,6 +12,10 @@ routes.
 It's enough to have both Apache Camel and Spring Cloud Contract Stub Runner on classpath.
 Remember to annotate your test class with `@AutoConfigureStubRunner`.
 
+==== Disabling the functionality
+
+If you need to disable this functionality just pass `stubrunner.camel.enabled=false` property.
+
 ==== Examples
 
 ===== Stubs structure

tests/spring-cloud-contract-stub-runner-integration/README.adoc

@@ -12,6 +12,10 @@ routes.
 It's enough to have both Spring Integration and Spring Cloud Contract Stub Runner on classpath.
 Remember to annotate your test class with `@AutoConfigureStubRunner`.
 
+==== Disabling the functionality
+
+If you need to disable this functionality just pass `stubrunner.integration.enabled=false` property.
+
 ==== Examples
 
 ===== Stubs structure

tests/spring-cloud-contract-stub-runner-stream/README.adoc

@@ -32,6 +32,10 @@ testCompile "org.springframework.cloud:spring-cloud-stream-test-support"
 It's enough to have both Spring Cloud Stream and Spring Cloud Contract Stub Runner on classpath.
 Remember to annotate your test class with `@AutoConfigureStubRunner`.
 
+==== Disabling the functionality
+
+If you need to disable this functionality just pass `stubrunner.stream.enabled=false` property.
+
 ==== Examples
 
 ===== Stubs structure