Update snapshot version & add source, javadoc & signing plugins.

pom.xml

@@ -6,7 +6,7 @@
 
   <groupId>com.intuit.graphql</groupId>
   <artifactId>graphql-filter-java</artifactId>
-  <version>1.0-SNAPSHOT</version>
+  <version>1.0.0-SNAPSHOT</version>
 
   <name>${project.artifactId}</name>
   <description>A java library to transform graphql filter into database filter</description>
@@ -47,18 +47,15 @@
     <junit.version>4.11</junit.version>
   </properties>
 
-  <repositories>
-    <repository>
-      <id>central</id>
-      <url>https://repo.maven.apache.org/maven2/</url>
-    </repository>
-  </repositories>
-
   <distributionManagement>
     <snapshotRepository>
-      <id>oss-snapshot</id>
+      <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>
 
   <dependencies>
@@ -148,6 +145,46 @@
           <target>8</target>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-source-plugin</artifactId>
+        <version>2.2.1</version>
+        <executions>
+          <execution>
+            <id>attach-sources</id>
+            <goals>
+              <goal>jar-no-fork</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <version>2.9.1</version>
+        <executions>
+          <execution>
+            <id>attach-javadocs</id>
+            <goals>
+              <goal>jar</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <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>
     </plugins>
   </build>
 </project>