Add quickstart instructions to help with no-jre installs.

Add mention of discussion and announce group to README.

Author: Lenbok

README.md

@@ -38,7 +38,7 @@ See [doc/ReleaseNotes.txt](doc/ReleaseNotes.txt) for release history details.
 
 Some email support will be available via [email protected] which we will do our best to fulfill. If you have specific support or service requirements, talk to us about our support offerings which include guaranteed response times, training, project advice, priority bug fixes and feature requests.
 
-An [rtg-users](https://groups.google.com/a/realtimegenomics.com/forum/#!forum/rtg-users) discussion group is now available for general questions, tips, and other discusssions.
+An [rtg-users](https://groups.google.com/a/realtimegenomics.com/forum/#!forum/rtg-users) discussion group is now available for general questions, tips, and other discussions.
 
 To be informed of new software releases, subscribe to the low-traffic [rtg-announce](https://groups.google.com/a/realtimegenomics.com/forum/#!forum/rtg-announce) group.
 

doc/README.txt

@@ -9,13 +9,23 @@ described in the accompanying RTG Operations Manual.
 Quick Start Instructions
 ========================
 
-RTG software is delivered as a Java application accessed via a wrapper
-script that allows a user to customize initial memory allocation and
-other configuration options. It is recommended that these wrapper
-scripts be used rather than directly accessing the Java JAR.
+RTG software is delivered as a command-line Java application accessed
+via a wrapper script that allows a user to customize initial memory
+allocation and other configuration options. It is recommended that
+these wrapper scripts be used rather than directly accessing the Java
+JAR.
 
 For individual use, follow these quick start instructions.  
 
+No-JRE:
+
+  The no-JRE distribution does not include a Java Runtime Environment
+  and instead uses the system-installed Java.  Ensure that at the
+  command line you can enter 'java -version' and that this command
+  reports a java version of 1.7 or higher before proceeding with the
+  steps below. This may require setting your PATH environment variable
+  to include the location of an appropriate version of java.
+
 Linux/MacOS X:
 
   Unzip the RTG distribution to the desired location.
@@ -74,6 +84,14 @@ the entire workspace to the remote system (either stand-alone or cluster).
 For data center deployment and instructions for editing scripts, 
 please consult the Administration chapter of the RTG Operations Manual.
 
+A discussion group is now available for general questions, tips, and other
+discussions. It may be viewed or joined at:
+https://groups.google.com/a/realtimegenomics.com/forum/#!forum/rtg-users
+
+To be informed of new software releases, subscribe to the low-traffic
+rtg-announce group at:
+https://groups.google.com/a/realtimegenomics.com/forum/#!forum/rtg-announce
+
 Citing RTG
 ==========