add defaults for the option annotation

Author: Denys Zhuravel

src/main/java/albelli/cloudgradle/api/CloudGradleOptions.kt

@@ -21,7 +21,7 @@ import java.lang.annotation.RetentionPolicy
         /**
          * @return target directory of CloudGradle-report (this defaults to 'target' directory)
          */
-        val reportTargetDir: String = "",
+        val reportTargetDir: String = "build/cloudgradle",
         /**
          * @return the Cucumber options
          */
@@ -30,7 +30,7 @@ import java.lang.annotation.RetentionPolicy
         /**
          * @return the name of the CodeBuild project
          */
-       val projectName: String = "",
+       val projectName: String = "cloudgradle-runners",
 
         /**
          * @return the arn to the AWS IAM service role to run the codebuild jobs
@@ -40,12 +40,12 @@ import java.lang.annotation.RetentionPolicy
         /**
          * @return the name of the docker image to run the job on (/aws/codebuild or docker hub or ECR)
          */
-       val image: String = "",
+       val image: String = "albelli/aws-codebuild-docker-images:java-openjdk-8-chromedriver",
 
         /**
          * @return the type of the CodeBuild instance to use
          */
-       val computeType: String = "",
+       val computeType: String = "BUILD_GENERAL1_SMALL",
 
         /**
          * @return the name of the bucket to put the jar and artifacts in
@@ -54,15 +54,15 @@ import java.lang.annotation.RetentionPolicy
         /**
          * @return the folder within the bucket to put the jar in
          */
-       val bucketSourceFolder: String = "",
+       val bucketSourceFolder: String = "cloudgradle/source-dir/",
         /**
          * @return the folder within the bucket to put artifacts in
          */
-       val bucketOutputFolder: String = "",
+       val bucketOutputFolder: String = "cloudgradle/artifacts/",
         /**
          * @return the name of the zipped artifacts file
          */
-       val outputFileName: String = ""
+       val outputFileName: String = "runResults.zip"
 
 )
 {