Add maven animal sniffer plugin and fix refs to > Java5 (FELIX-4952).

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1689855 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/connect/pom.xml b/connect/pom.xml
index 4f073cc..ba76c0a 100644
--- a/connect/pom.xml
+++ b/connect/pom.xml
@@ -95,11 +95,32 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
                 <configuration>
-                    <target>1.6</target>
-                    <source>1.6</source>
+                    <target>1.5</target>
+                    <source>1.5</source>
                 </configuration>
             </plugin>
             <plugin>
+                  <groupId>org.codehaus.mojo</groupId>
+                  <artifactId>animal-sniffer-maven-plugin</artifactId>
+                  <version>1.5</version>
+                  <executions>
+                    <execution>
+                      <id>check-java-version</id>
+                      <phase>verify</phase>
+                      <goals>
+                        <goal>check</goal>
+                      </goals>
+                      <configuration>
+                        <signature>
+                          <groupId>org.codehaus.mojo.signature</groupId>
+                          <artifactId>java15</artifactId>
+                          <version>1.0</version>
+                        </signature>
+                      </configuration>
+                    </execution>
+                  </executions>
+            </plugin>
+            <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-source-plugin</artifactId>
                 <version>2.1.2</version>
@@ -117,6 +138,9 @@
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
                 <version>2.8</version>
+                <configuration>
+                  <failOnError>false</failOnError>
+                </configuration>
                 <executions>
                     <execution>
                         <id>attach-javadoc</id>