Trying to fix Circle by killing all gradle deamons before running a build and lowering memory usage

samples/src/it/settings.xml

@@ -1,6 +1,36 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <settings>
 	<profiles>
+		<profile>
+			<id>CI</id>
+			<activation>
+				<property>
+					<name>env.CI</name>
+				</property>
+			</activation>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.codehaus.mojo</groupId>
+						<artifactId>exec-maven-plugin</artifactId>
+						<version>1.6.0</version>
+						<executions>
+							<execution>
+								<id>kill-daemons</id>
+								<phase>clean</phase>
+								<configuration>
+									<executable>pkill</executable>
+									<arguments>
+										<argument>-f</argument>
+										<argument>'.*GradleDaemon.*'</argument>
+									</arguments>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
 		<profile>
 			<id>integration</id>
 			<activation>