update maven dependencies

pom.xml

@@ -31,11 +31,12 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <java.version>1.7</java.version>
         <junit.version>4.12</junit.version>
-        <assertj.version>2.0.0</assertj.version>
+        <assertj.version>2.2.0</assertj.version>
         <mockito.version>1.10.19</mockito.version>
         <quartz.version>2.2.2</quartz.version>
-        <spring.version>4.2.2.RELEASE</spring.version>
-        <cobertura-maven-plugin.version>2.7</cobertura-maven-plugin.version>
+        <spring.version>4.2.3.RELEASE</spring.version>
+        <maven-cobertura-plugin.version>2.7</maven-cobertura-plugin.version>
+        <maven-coveralls-plugin.version>4.1.0</maven-coveralls-plugin.version>
         <maven-release-plugin.version>2.5.3</maven-release-plugin.version>
         <maven-compiler-plugin.version>3.3</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.19</maven-surefire-plugin.version>
@@ -149,13 +150,18 @@
                 <plugin>
                     <groupId>org.codehaus.mojo</groupId>
                     <artifactId>cobertura-maven-plugin</artifactId>
-                    <version>${cobertura-maven-plugin.version}</version>
+                    <version>${maven-cobertura-plugin.version}</version>
                     <configuration>
                         <format>xml</format>
                         <maxmem>256m</maxmem>
                         <aggregate>true</aggregate>
                     </configuration>
                 </plugin>
+                <plugin>
+                    <groupId>org.eluder.coveralls</groupId>
+                    <artifactId>coveralls-maven-plugin</artifactId>
+                    <version>${maven-coveralls-plugin.version}</version>
+                </plugin>
                 <plugin>
                     <groupId>org.apache.maven.plugins</groupId>
                     <artifactId>maven-surefire-plugin</artifactId>