Customize travis, add CodeCov

Add jacoco

.travis.yml

@@ -1 +1,11 @@
+sudo: false
 language: java
+cache:
+  directories:
+    - $HOME/.m2
+jdk:
+  - oraclejdk8
+install: true
+build: ./mvnw package
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

pom.xml

@@ -117,5 +117,38 @@
 				</pluginRepository>
 			</pluginRepositories>
 		</profile>
+		<profile>
+			<id>coverage</id>
+			<activation>
+				<property>
+					<name>env.TRAVIS</name>
+					<value>true</value>
+				</property>
+			</activation>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.jacoco</groupId>
+						<artifactId>jacoco-maven-plugin</artifactId>
+						<version>0.7.9</version>
+						<executions>
+							<execution>
+								<id>agent</id>
+								<goals>
+									<goal>prepare-agent</goal>
+								</goals>
+							</execution>
+							<execution>
+								<id>report</id>
+								<phase>test</phase>
+								<goals>
+									<goal>report</goal>
+								</goals>
+							</execution>
+						</executions>
+					</plugin>
+				</plugins>
+			</build>
+		</profile>
 	</profiles>
 </project>