Fix checkstyleNohttp OutOfMemoryError

Author: rwinch

build.gradle

@@ -110,6 +110,10 @@ nohttp {
 	source.builtBy(project(':spring-security-config').tasks.withType(RncToXsd))
 }
 
+tasks.named('checkstyleNohttp') {
+	maxHeapSize = '1g'
+}
+
 tasks.register('cloneRepository', IncludeRepoTask) {
 	repository = project.getProperties().get("repositoryName")
 	ref = project.getProperties().get("ref")