* GH-3180: Add encoding-mode to WS outbound gateway Fixes https://github.com/spring-projects/spring-integration/issues/3180 * Deprecate `encode-uri` in favor of newly introduced `encoding-mode` * Add new property to XML and DSL configurations * Fix tests according a new behavior * Document the feature * Fix docs for deprecated `encode-uri` * Mention also WS from `http.adoc` * * Fix typos in docs