Uppercase tags (#308)
Uppercase tags (#308)

* Update the build.gradle
1. More comments to build.gradle
2. add the wrapper jars
* copyright & tags
* tiny nit
* uppercase tags

tswast/java-docs-samples,tswast/java-docs-samples,GoogleCloudPlatform/java-docs-samples,GoogleCloudPlatform/java-docs-samples,GoogleCloudPlatform/java-docs-samples,GoogleCloudPlatform/java-docs-samples,tswast/java-docs-samples,jetty-project/java-docs-samples,jetty-project/java-docs-samples,jetty-project/java-docs-samples,jetty-project/java-docs-samples,tswast/java-docs-samples,GoogleCloudPlatform/java-docs-samples,GoogleCloudPlatform/java-docs-samples,jetty-project/java-docs-samples