upgrade dependencies

spring-cloud/spring-cloud-bootstrap/config/pom.xml

@@ -10,7 +10,7 @@
     <parent>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-parent</artifactId>
-        <version>1.4.0.RELEASE</version>
+        <version>1.4.2.RELEASE</version>
         <relativePath/> <!-- lookup parent from repository -->
     </parent>
 
@@ -39,7 +39,7 @@
             <dependency>
                 <groupId>org.springframework.cloud</groupId>
                 <artifactId>spring-cloud-dependencies</artifactId>
-                <version>Brixton.RELEASE</version>
+                <version>${spring-cloud-dependencies.version}</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -55,7 +55,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-compiler-plugin</artifactId>
-                <version>3.3</version>
+                <version>${maven-compiler-plugin.version}</version>
                 <configuration>
                     <source>1.8</source>
                     <target>1.8</target>
@@ -64,4 +64,8 @@
         </plugins>
     </build>
 
+    <properties>
+        <spring-cloud-dependencies.version>Brixton.SR7</spring-cloud-dependencies.version>
+        <maven-compiler-plugin.version>3.6.0</maven-compiler-plugin.version>
+    </properties>
 </project>