Add signing profiles, gpg public key

Signed-off-by: Scott Stark <starksm64@gmail.com>

KEYS

@@ -0,0 +1,52 @@
+starksm64@gmail.com
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+
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++g==
+=odrE
+-----END PGP PUBLIC KEY BLOCK-----

pom.xml

@@ -261,4 +261,32 @@
 
         </plugins>
     </build>
+
+    <profiles>
+        <profile>
+            <id>eclipse-jarsigner</id>
+            <!-- turns on signing of JARs by the Eclipse signer plugin -->
+        </profile>
+        <profile>
+            <id>gpg-sign</id>
+            <!-- signs all artifacts, required for deploying to Maven Central -->
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
 </project>