updated description (#106)

README.md

@@ -4,7 +4,12 @@
 
 A Java NIO.2 service provider for S3, allowing Java NIO operations to be performed on paths using the `s3` scheme. This
 package implements the service provider interface (SPI) defined for Java NIO.2 in JDK 1.7 providing "plug-in" non-blocking
-access to S3 objects for Java applications using Java NIO.2 for file access.
+access to S3 objects for Java applications using Java NIO.2 for file access. Using this package allows Java applications
+to access S3 without having to modify or recompile the application. You also avoid having to set up any kind of FUSE mount.
+
+For a general overview see the 
+[AWS Blog Post](https://aws.amazon.com/blogs/storage/extending-java-applications-to-directly-access-files-in-amazon-s3-without-recompiling/) 
+announcing this package.
 
 ## Using this package as a provider
 
@@ -266,7 +271,7 @@ Code must compile to JDK 1.8 compatible bytecode. Matching unit tests are requir
 
 ### Contributing Unit Tests
 
-We use JUnit 4 and Mockito for unit testing.
+We use JUnit 5 and Mockito for unit testing.
 
 When contributing code for bug fixes or feature improvements, matching tests should also be provided. Tests must not 
 rely on specific S3 bucket access or credentials. To this end, S3 clients and other artifacts should be mocked as