Adding travis to mvn central

.travis.yml

@@ -1 +1,14 @@
-language: java
+language: java
+branches: 
+only:
+- master
+cache:
+  directories:
+  - "$HOME/.m2"
+after_success:
+- openssl aes-256-cbc -pass pass:$ENCRYPTION_PASSWORD -in $GPG_DIR/pubring.gpg.enc -out $GPG_DIR/pubring.gpg -d
+- openssl aes-256-cbc -pass pass:$ENCRYPTION_PASSWORD -in $GPG_DIR/secring.gpg.enc -out $GPG_DIR/secring.gpg -d
+- "$GPG_DIR/publish.sh"
+env:
+  global:
+  - GPG_DIR="`pwd`/deploy"

pom.xml

@@ -108,4 +108,64 @@
         </plugins>
     </build>
 
+    <profiles>
+        <profile>
+            <id>ossrh</id>
+            <properties>
+                <gpg.executable>gpg</gpg.executable>
+                <gpg.keyname>${env.GPG_KEYNAME}</gpg.keyname>
+                <gpg.passphrase>${env.GPG_PASSPHRASE}</gpg.passphrase>
+                <gpg.defaultKeyring>false</gpg.defaultKeyring>
+                <gpg.publicKeyring>${env.GPG_DIR}/pubring.gpg</gpg.publicKeyring>
+                <gpg.secretKeyring>${env.GPG_DIR}/secring.gpg</gpg.secretKeyring>
+            </properties>
+            <activation>
+                <property>
+                    <name>performRelease</name>
+                    <value>true</value>
+                </property>
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.5</version>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                    <plugin>
+                        <groupId>org.sonatype.plugins</groupId>
+                        <artifactId>nexus-staging-maven-plugin</artifactId>
+                        <version>1.6.2</version>
+                        <extensions>true</extensions>
+                        <configuration>
+                            <serverId>ossrh</serverId>
+                            <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                            <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
 </project>