升级spring-core和spring-webmvc版本为4.3.20

ipu-ddmp-data/pom.xml

					<groupId>ch.qos.logback</groupId>
					<artifactId>logback-classic</artifactId>
				</exclusion>
				<exclusion>
					<groupId>org.springframework</groupId>
					<artifactId>spring-webmvc</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
		<dependency>
			<artifactId>spring-web</artifactId>
			<version>4.2.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>4.3.20.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>4.3.20.RELEASE</version>
		</dependency>
		<!-- 缺省用tomcat容器 -->
		<dependency>
			<groupId>org.springframework.boot</groupId>

ipu-server-libs/pom.xml

			<version>4.2.7.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>4.3.20.RELEASE</version>
		</dependency>
		<dependency>
			<groupId>commons-fileupload</groupId>
			<artifactId>commons-fileupload</artifactId>
			<version>1.4</version>
			<artifactId>poi</artifactId>
			<version>4.1.0</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>4.3.20.RELEASE</version>
		</dependency>
	</dependencies>