Revise README for Flowable project details

Updated project name and description in README.

Author: jbarrez

README.md

@@ -1,4 +1,4 @@
-Flowable (V7)
+Flowable
 ========
 
 [![Maven Central](https://img.shields.io/maven-central/v/org.flowable/flowable-engine?label=Maven%20Central)](https://central.sonatype.com/search?q=g:org.flowable%20%26%26%20%28a:flowable-engine%20a:flowable-cmmn-engine%20a:flowable-dmn-engine%29)
@@ -11,7 +11,7 @@ Homepage: https://www.flowable.org/
 
 ## flowable / flowəb(ə)l /
 * a compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
-* a lightning fast, tried and tested BPMN 2 process engine written in Java.  It is Apache 2.0 licensed open source, with a committed community.
+* a lightning fast, tried and tested BPMN process engine, CMMN case engine and DMN rule engine written in Java.  It is Apache 2.0 licensed open source, with a committed community.
 * can run embedded in a Java application, or as a service on a server, a cluster, and in the cloud.  It integrates perfectly with Spring.  With a rich Java and REST API, it is the ideal engine for orchestrating human or system activities.
 
 ## Introduction