Added static analysis profile to pom.xml

Added pmd, findbug as well as site generation logic to top pom.xml file
Created customized pmd ruleset

dev-tools/pmd/custom.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<ruleset name="Custom ruleset"
+    xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+  <description>
+  Default ruleset for elasticsearch server project
+  </description>
+  <rule ref="rulesets/java/basic.xml"/>
+  <rule ref="rulesets/java/braces.xml"/>
+  <rule ref="rulesets/java/clone.xml"/>
+  <rule ref="rulesets/java/codesize.xml"/>
+  <rule ref="rulesets/java/coupling.xml">
+     <exclude name="LawOfDemeter" />
+  </rule>
+  <rule ref="rulesets/java/design.xml"/>
+  <rule ref="rulesets/java/unnecessary.xml">
+     <exclude name="UselessParentheses" />
+  </rule>
+</ruleset>

pom.xml

@@ -1286,5 +1286,74 @@
           </plugins>
         </build>
       </profile>
+      <profile>
+        <id>static</id>
+        <activation>
+          <property>
+            <name>tests.static</name>
+            <value>true</value>
+          </property>
+        </activation>
+        <build>
+          <plugins>
+            <plugin>
+              <groupId>org.codehaus.mojo</groupId>
+              <artifactId>findbugs-maven-plugin</artifactId>
+              <version>2.5.3</version>
+            </plugin>
+          </plugins>
+        </build>
+        <reporting>
+          <plugins>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-jxr-plugin</artifactId>
+              <version>2.3</version>
+            </plugin>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-pmd-plugin</artifactId>
+              <version>3.0.1</version>
+              <configuration>
+                <rulesets>
+                  <ruleset>${basedir}/dev-tools/pmd/custom.xml</ruleset>
+                </rulesets>
+                <targetJdk>1.7</targetJdk>
+                <excludes>
+                  <exclude>**/jsr166e/**</exclude>
+                  <exclude>**/jsr166y/**</exclude>
+                  <exclude>**/org/apache/lucene/**</exclude>
+                  <exclude>**/org/apache/elasticsearch/common/Base64.java</exclude>
+                </excludes>
+              </configuration>
+            </plugin>
+            <plugin>
+              <groupId>org.codehaus.mojo</groupId>
+              <artifactId>findbugs-maven-plugin</artifactId>
+              <version>2.5.3</version>
+              <configuration>
+                <xmlOutput>true</xmlOutput>
+                <xmlOutputDirectory>target/site</xmlOutputDirectory>
+                <fork>true</fork>
+                <maxHeap>2048</maxHeap>
+                <timeout>1800000</timeout>
+                <onlyAnalyze>org.elasticsearch.-</onlyAnalyze>
+              </configuration>
+            </plugin>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-project-info-reports-plugin</artifactId>
+              <version>2.7</version>
+              <reportSets>
+                <reportSet>
+                  <reports>
+                    <report>dependencies</report>
+                  </reports>
+                </reportSet>
+              </reportSets>
+            </plugin>
+          </plugins>
+        </reporting>
+      </profile>
     </profiles>
 </project>