[SYSTEMDS-2667] Update bin.xml, source.xml and README

Author: phaniarnab

README.md

@@ -36,11 +36,8 @@ heterogeneous and nested schema.
 
 **Issue Tracker** [Jira Dashboard](https://issues.apache.org/jira/secure/Dashboard.jspa?selectPageId=12335852)
 
-**Status and Build:** SystemDS is still in pre-alpha status. The original code base was forked from Apache SystemML 1.2 in 
-September 2018. We will continue to support linear algebra  programs over matrices, while replacing the underlying data model 
-and compiler, as well as substantially extending the  supported functionalities. Until the first release, you can build your own 
-snapshot via Apache Maven:
- `mvn clean package -P distribution`.
+**Status and Build:** SystemDS is renamed from SystemML which is an **Apache Top Level Project**. 
+To build from source visit [SystemDS Install from source](http://apache.github.io/systemds/site/install.html)
 
 [![Build](https://github.com/apache/systemds/workflows/Build/badge.svg?branch=master&event=push)](https://github.com/apache/systemds/actions?query=workflow%3A%22Build%22+branch%3Amaster+event%3Apush)
 [![Documentation](https://github.com/apache/systemds/workflows/Documentation/badge.svg?branch=master&event=push)](https://github.com/apache/systemds/actions?query=workflow%3ADocumentation+branch%3Amaster+event%3Apush)

src/assembly/bin.xml

@@ -115,6 +115,10 @@
 			<source>target/${artifactId}-${project.version}-extra.jar</source>
 			<outputDirectory>./lib/</outputDirectory>
 		</file>
+		<file>
+			<source>target/${artifactId}-${project.version}.jar</source>
+			<outputDirectory>.</outputDirectory>
+		</file>
 		<file>
 			<source>${basedir}/conf/log4j.properties.template</source>
 			<outputDirectory>./conf/</outputDirectory>

src/assembly/source.xml

@@ -51,6 +51,7 @@
 				<exclude>./src/test/config/hadoop_bin_windows/**</exclude>
 				<exclude>./src/main/cpp/lib/**</exclude>
 				<exclude>pom.xml.versionsBackup</exclude>
+				<exclude>./dev/Tasks-obsolete.txt</exclude>
 			</excludes>
 		</fileSet>