GH-1043: Add codecov support

* Add codecov support

Resolves #1043

* Remove unwanted service configs from travis

 - Spring Cloud Stream doesn't use Redis/Kafka services as these were originally added to support their binder support in the same repo

.travis.yml

@@ -5,16 +5,6 @@ cache:
 language: java
 jdk:
   - oraclejdk8
-services:
-  - redis-server
-env:
-  - REDIS_TIMEOUT_MULTIPLIER=3 KAFKA_TIMEOUT_MULTIPLIER=30 SCS_KAFKA_TEST_EMBEDDED=false
-before_install:
-  - wget http://www.us.apache.org/dist/kafka/0.8.2.1/kafka_2.10-0.8.2.1.tgz -O kafka.tgz
-  - mkdir -p kafka && tar xzf kafka.tgz -C kafka --strip-components 1
-  - nohup bash -c "cd kafka && bin/zookeeper-server-start.sh config/zookeeper.properties &"
-  - nohup bash -c "cd kafka && bin/kafka-server-start.sh config/server.properties &"
-  - sleep 5
 install: true
 # The environment variable ${TRAVIS_PULL_REQUEST} is set to "false" when the build 
 # is for a normal branch commit. When the build is for a pull request, it will 
@@ -22,4 +12,5 @@ install: true
 script:
   - '[ "${TRAVIS_PULL_REQUEST}" != "false" ] || ./mvnw package -Pspring,full -U -Dmaven.test.redirectTestOutputToFile=false'
   - '[ "${TRAVIS_PULL_REQUEST}" = "false" ] || ./mvnw package -Pspring -U -Dmaven.test.redirectTestOutputToFile=false'
-
+after_success:
+  - bash <(curl -s https://codecov.io/bash)

pom.xml

@@ -242,5 +242,38 @@
                 </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>