Add Maven incantation to make STS 3.7 happy

spring-boot-tools/spring-boot-gradle-plugin/pom.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<groupId>org.springframework.boot</groupId>
@@ -42,7 +43,7 @@
 			<groupId>org.gradle</groupId>
 			<artifactId>gradle-base-services</artifactId>
 			<scope>provided</scope>
-		</dependency>		
+		</dependency>
 		<dependency>
 			<groupId>org.gradle</groupId>
 			<artifactId>gradle-plugins</artifactId>
@@ -72,6 +73,41 @@
 				</dependencies>
 			</plugin>
 		</plugins>
+		<pluginManagement>
+			<plugins>
+				<plugin>
+					<groupId>org.eclipse.m2e</groupId>
+					<artifactId>lifecycle-mapping</artifactId>
+					<version>1.0.0</version>
+					<configuration>
+						<lifecycleMappingMetadata>
+							<pluginExecutions>
+								<pluginExecution>
+									<pluginExecutionFilter>
+										<groupId>
+											org.apache.maven.plugins
+										</groupId>
+										<artifactId>
+											maven-compiler-plugin
+										</artifactId>
+										<versionRange>
+											[2.10,)
+										</versionRange>
+										<goals>
+											<goal>compile</goal>
+											<goal>testCompile</goal>
+										</goals>
+									</pluginExecutionFilter>
+									<action>
+										<ignore></ignore>
+									</action>
+								</pluginExecution>
+							</pluginExecutions>
+						</lifecycleMappingMetadata>
+					</configuration>
+				</plugin>
+			</plugins>
+		</pluginManagement>
 	</build>
 	<repositories>
 		<repository>