chore: release v20.03.3 (#162)

New Features:
* `DgraphAsyncClient` can be constructed with an executor argument to better manage resources.

PUBLISHING.md

@@ -27,8 +27,11 @@ ossrhPassword=<…password…>
 * Build and test the code that needs to be published.
 * Bump version by modifying the `version` variable in `build.gradle` file.
 * Update download version in README for both Maven and Gradle.
+* Update `dgraph4j version` in `grpc-netty` table in README.
+* Raise a PR for the above changes. Put the changelog in PR description and merge it.
 * Run `./gradlew uploadArchives`.
 * Release the deployment by following the steps on the page _Releasing the Deployment_ (link in references below).
+* Also cut a release tag on GitHub with the new version.
 
 ### References
 * [Publishing a project on Maven Central](https://medium.com/@nmauti/publishing-a-project-on-maven-central-8106393db2c3)

README.md

@@ -54,12 +54,12 @@ grab via Maven:
 <dependency>
   <groupId>io.dgraph</groupId>
   <artifactId>dgraph4j</artifactId>
-  <version>20.03.2</version>
+  <version>20.03.3</version>
 </dependency>
 ```
 or Gradle:
 ```groovy
-compile 'io.dgraph:dgraph4j:20.03.2'
+compile 'io.dgraph:dgraph4j:20.03.3'
 ```
 
 ## Supported Versions
@@ -106,7 +106,7 @@ use a different version of this client.
   |       1.7.0       |        1.15.0      |               2.0.12.Final              |
   |    1.7.3-1.7.5    |        1.15.1      |               2.0.12.Final              |
   |    2.0.0-2.1.0    |        1.22.1      |               2.0.25.Final              |
-  |  20.03.0-20.03.2  |        1.26.0      |               2.0.26.Final              |
+  |  20.03.0-20.03.3  |        1.26.0      |               2.0.26.Final              |
 
   So, for example, if you were using `dgraph4j v20.03.0`, then you would need to use `2.0.26-Final` 
   as the version for `netty-tcnative-boringssl-static` dependency as suggested by gRPC docs for 
@@ -235,7 +235,7 @@ calling `alter`. You can find more details
 
 ```java
 String schema = "name: string @index(exact) .";
-Operation op = Operation.newBuilder()
+Operation operation = Operation.newBuilder()
         .setSchema(schema)
         .setRunInBackground(true)
         .build();

build.gradle

@@ -41,7 +41,7 @@ apply plugin: 'signing'
 
 group = 'io.dgraph'
 archivesBaseName = 'dgraph4j'
-version = '20.03.2'
+version = '20.03.3'
 sourceCompatibility = 1.8
 targetCompatibility = 1.8