force maven 3 minimum, closes mitreid-connect#524

Author: jricher

pom.xml

@@ -164,6 +164,28 @@
 <groupId>org.apache.maven.plugins</groupId>
 <artifactId>maven-compiler-plugin</artifactId>
 </plugin>
+ <plugin>
+ <inherited>true</inherited>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-enforcer-plugin</artifactId>
+ <version>1.3</version>
+ <executions>
+ <execution>
+ <id>enforce-maven-3</id>
+ <goals>
+ <goal>enforce</goal>
+ </goals>
+ <configuration>
+ <rules>
+ <requireMavenVersion>
+ <version>3.0.2</version>
+ </requireMavenVersion> 
+ </rules>
+ <fail>true</fail>
+ </configuration>
+ </execution>
+ </executions>
+ </plugin>
 </plugins>
 </build>
  <issueManagement>