More test coverage plus Coveralls wiring.

.travis.yml

@@ -3,3 +3,5 @@ jdk:
   - oraclejdk7
   - openjdk7
   - openjdk6
+after_success:
+  - mvn clean cobertura:cobertura coveralls:cobertura

pom.xml

@@ -169,6 +169,17 @@
         <artifactId>maven-deploy-plugin</artifactId>
         <version>2.5</version>
       </plugin>
+
+<!-- these handle code coverage -->
+      <plugin>
+        <groupId>org.codehaus.mojo</groupId>
+        <artifactId>cobertura-maven-plugin</artifactId>
+        <version>2.6</version>
+        <configuration>
+          <format>xml</format>
+          <maxmem>256m</maxmem>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.eluder.coveralls</groupId>
         <artifactId>coveralls-maven-plugin</artifactId>