Completes JIRA improvement SGF-294 allowing GemFire Gateway Receivers to be configured for manual start using the Spring Data GemFire XML namespace.  This commit completes the improvement in the 1.4 XSD first in order to backport the feature to the SDG 1.4.2 release.
Completes JIRA improvement SGF-294 allowing GemFire Gateway Receivers to be configured for manual start using the Spring Data GemFire XML namespace.  This commit completes the improvement in the 1.5 XSD for the SDG 1.5.0.M1 (Evans) release.