Resolves JIRA issue SGF-235 fixing the NullPointerException in the DefaultFunctionArgumentResolver when the FunctionContext.getArguments method has no arguments, or incorrectly returns a null value.
General code refactoring and cleanup.
Fixes bug SGF-225 involving GemFire SubRegion bean definition inconsistencies when data-policy is specified along with SGF-242 that involves the use of membership-attributes configuration on a GemFire Region.
Fixes JIRA issue SGF-241 adding support for defining client sub-Regions using the gfe:client-region XML namespace element in an nested fashion.
Fixes JIRA issue SGF-234 for the spring-gemfire-1.3.xsd and spring-gemfire-1.4.xsd which incorrectly indicate that the pdx-persistent attribute defaults to true.
Upgraded Gradle version from 1.3 to 1.9.
Fixes JIRA issues SGF-238, SGF-239 and SGF-240 involving jndi-binding cache settings.
Set the min and max heap sizes in the Gradle wrapper used by the Bamboo build process in an attempt to avoid Bamboo's JVM initialization error.
Fixes JIRA issue SGF-244 involving the use of a ref attribute on the GatewaySender element's nested inner EventFilter element.
Fixed JIRA issue SGF-247 - boolean-based Repository queries generate UnsupportedOperationException.
Updated Spring Data GemFire Reference Documentation, updating author information and added 'LIKE' operator details to the 'Executing OQL Queries' section.
Partial Fix and Refactoring for JIRA issue SGF-236 enabling the <gfe:lookup-region/> nested element syntax to function properly.
Added additional assertions to the testDirectLookup test case asserting that the non-looked-up Customers and Customers/Accounts/Orders Regions do not exists as beans in the Spring context.
Fully fixes JIRA issue SGF-236 involving the Subregion bean names requiring a prepended forward slash when using the high-level region XML namespace abstractions, like gfe:replicated-region, vs. the gfe:lookup-region element.
Fixes JIRA issues SGF-249 involving property placeholder values on Disk Store bean definition attributes, and specifically the compaction-threshold attribute, in the SDG XML namespace.
Remove the runtime dependency on commons-modeler.  The commons-modeler API is a transitive dependency required by GemFire's old Admin interface, which has been replaced in GemFire 7 by the new Management and Monitoring interface.  Commons-modeler is not needed either during compilation or testing of the Spring Data GemFire project.
Fixes JIRA issues SGF-251 involving Spring Data GemFire Repositories not functionality properly for application domain objects (entities) stored in GemFire Subregions using the @Region annotation association.
Fixes JIRA issus SGF-252 involving multiple, identically names Subregions and SDG's Repository extension improperly handling application domain objects associated by way of the @Region annotation.
Fixes JIRA issue SGF-255 involving the required 'threshold' attribute in Region Eviction Attribute configuration settings.