Fix configuration metadata generation

This commit fixes the build configuration for annotation processing.
The configuration metadata is now being generated and packaged with the
starter module.

Fixes gh-33

graphql-spring-boot-starter/build.gradle

@@ -11,10 +11,6 @@ description = "GraphQL Spring Boot Starter"
 sourceCompatibility = 1.8
 targetCompatibility = 1.8
 
-configurations {
-    apt
-}
-
 dependencyManagement {
 	imports {
 		mavenBom SpringBootPlugin.BOM_COORDINATES
@@ -25,12 +21,12 @@ dependencyManagement {
 }
 
 dependencies {
-    api project(':spring-graphql-web')
+	api project(':spring-graphql-web')
 	api 'com.graphql-java:graphql-java:15.0'
 	// Reactor is required as it's part of the interception model
 	api 'io.projectreactor:reactor-core'
 	api 'org.springframework:spring-context'
-    api 'org.springframework.boot:spring-boot-starter'
+	api 'org.springframework.boot:spring-boot-starter'
 
 	compileOnly 'org.springframework:spring-webflux'
 	compileOnly 'org.springframework:spring-webmvc'
@@ -41,7 +37,7 @@ dependencies {
 	compileOnly 'io.micrometer:micrometer-core'
 	compileOnly 'org.springframework.boot:spring-boot-actuator-autoconfigure'
 
-    apt 'javax.annotation:javax.annotation-api:1.3.2'
+	compileOnly 'com.google.code.findbugs:jsr305:3.0.2'
 	annotationProcessor 'org.springframework.boot:spring-boot-configuration-processor'
 	annotationProcessor 'org.springframework.boot:spring-boot-autoconfigure-processor'
 
@@ -57,10 +53,6 @@ dependencies {
 	testImplementation 'org.springframework.boot:spring-boot-starter-test'
 }
 
-compileJava {
-    options.annotationProcessorPath = configurations.apt
-}
-
 test {
 	useJUnitPlatform()
 	testLogging {