Automatically align version of samples' dependency with main version

This commit enhances the tasks that build the samples to
automatically update the version of their spring-restdocs dependency
to match the version of the main project.

samples/rest-notes-spring-data-rest/pom.xml

@@ -18,6 +18,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<java.version>1.7</java.version>
+		<spring-restdocs.version>1.0.0.BUILD-SNAPSHOT</spring-restdocs.version>
 	</properties>
 
 	<dependencies>
@@ -49,7 +50,7 @@
 		<dependency>
 			<groupId>org.springframework.restdocs</groupId>
 			<artifactId>spring-restdocs-mockmvc</artifactId>
-			<version>1.0.0.BUILD-SNAPSHOT</version>
+			<version>${spring-restdocs.version}</version>
 			<scope>test</scope>
 		</dependency>
 	</dependencies>
@@ -124,4 +125,4 @@
 		</repository>
 	</repositories>
 
-</project>
+</project>

samples/rest-notes-spring-hateoas/build.gradle

@@ -26,6 +26,11 @@ group = 'com.example'
 sourceCompatibility = 1.7
 targetCompatibility = 1.7
 
+ext {
+	snippetsDir = file('build/generated-snippets')
+	springRestdocsVersion = '1.0.0.BUILD-SNAPSHOT'
+}
+
 dependencies {
 	compile 'org.springframework.boot:spring-boot-starter-data-jpa'
 	compile 'org.springframework.boot:spring-boot-starter-hateoas'
@@ -35,11 +40,7 @@ dependencies {
 
 	testCompile 'com.jayway.jsonpath:json-path'
 	testCompile 'org.springframework.boot:spring-boot-starter-test'
-	testCompile 'org.springframework.restdocs:spring-restdocs-mockmvc:1.0.0.BUILD-SNAPSHOT'
-}
-
-ext {
-	snippetsDir = file('build/generated-snippets')
+	testCompile "org.springframework.restdocs:spring-restdocs-mockmvc:$springRestdocsVersion"
 }
 
 test {
@@ -61,4 +62,4 @@ jar {
 }
 
 eclipseJdt.onlyIf { false }
-cleanEclipseJdt.onlyIf { false }
+cleanEclipseJdt.onlyIf { false }