INT-2425 - Poller: Document the Ability to Change Polling Rate at Runtime
For reference see:
* https://jira.springsource.org/browse/INT-2430
* https://jira.springsource.org/browse/INT-2425
INT-2430 - Code Review - Minor spelling error fix
in src/reference/docbook/endpoint.xml
INT-2430 - Code Review - Doc updates
* Add more documentation around the dynamic poller sample
* Standardize Endpoint chapter so that for emphasis of properties the <emphasis/> docbook element is used rather than quotes.
Polishing
