INT-3307 Twitter: Upgrade Spring Social Twitter to 1.1.0

Jira: https://jira.springsource.org/browse/INT-3307
INT-3306 Document Release Strategy POJO Limitation

JIRA: https://jira.springsource.org/browse/INT-3306

Add a caution about using POJO ReleaseStrategy with large groups.
INT-3310 Fix Syslog Error on Socket Close

https://jira.springsource.org/browse/INT-3310

Previously, the syslog adapter tried to convert the ErrorMessage
that results from a socket error to a syslog packet, resulting
in a stack trace on stderr.

Test for the ErrorMessage and log at DEBUG.