Replace tutorial with readme file for packaged application (#1286)

Author: Ilya Bogdanov

exonum-java-binding/core/rust/exonum-java/README.md

@@ -0,0 +1,16 @@
+# Exonum Java Binding Application
+
+Exonum Java Binding is a framework for building blockchain applications in Java, 
+powered by Exonum.
+
+With Exonum Java Binding you can define stateful Exonum Services in Java,
+configure a network of nodes and run your services in it.
+
+For more information see the relevant documentation on the tool:
+  - [User Guide](https://exonum.com/doc/version/0.13-rc.2/get-started/java-binding/)
+  - [Javadocs](https://exonum.com/doc/api/java-binding/0.9.0-rc1/index.html)
+
+# License
+
+This project is licensed under the Apache License, Version 2.0.
+See [LICENSE](LICENSE) for details.

exonum-java-binding/core/rust/exonum-java/TUTORIAL.md

@@ -120,8 +120,8 @@ cp LICENSES-THIRD-PARTY.TXT "${PACKAGING_ETC_DIR}"
 # Copy fallback logger configuration
 cp ./core/rust/exonum-java/log4j-fallback.xml "${PACKAGING_ETC_DIR}"
 
-# Copy tutorial
-cp ./core/rust/exonum-java/TUTORIAL.md "${PACKAGING_ETC_DIR}"
+# Copy readme
+cp ./core/rust/exonum-java/README.md "${PACKAGING_ETC_DIR}"
 
 # We use static linkage for RocksDB because in case of dynamic linking
 # the resulting app has a dependency on a _particular_