INT-3463: Add `encode-uri` to ws:outbound-gateway

JIRA: https://jira.spring.io/browse/INT-3463
INT-3449: TCP: `read-delay` for XML Configuration

JIRA: https://jira.spring.io/browse/INT-3449

Doc Polishing
INT-3435: Make `JmsChannelFB` more friendly

JIRA: https://jira.spring.io/browse/INT-3435