Revise README.md

Change-Id: I778a5a872e2696a165bdf2bbdd9aefae71ec748a
Reviewed-on: https://asterix-gerrit.ics.uci.edu/258
Reviewed-by: Ian Maxon <imaxon@uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <westmann@gmail.com>
diff --git a/README.md b/README.md
index fc5c4d9..2190b6d 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 #AsterixDB
 
-AsterixDB is a full-function BDMS (Big Data Management System) with a rich feature set that distinguishes it from pretty much any other Big Data platform that's out and available today.  We believe that its feature set makes it well-suited to modern needs such as web data warehousing and social data storage and analysis.  AsterixDB has:
+AsterixDB is a BDMS (Big Data Management System) with a rich feature set that sets it apart from other Big Data platforms.  Its feature set makes it well-suited to modern needs such as web data warehousing and social data storage and analysis. AsterixDB has:
 
  * A semistructured NoSQL style data model (ADM) resulting from extending JSON with object database ideas
  * An expressive and declarative query language (AQL) that supports a broad range of queries and analysis over semistructured data
@@ -23,7 +23,7 @@
 * Maven 3.1.1 or newer.
 * Java 7 or newer.
 
-Additionally to run all the integration tests you should be running `sshd` locally, and have passwordless ssh logins.
+Additionally to run all the integration tests you should be running `sshd` locally, and have passwordless ssh logins enabled for the account which is running the tests.
 
 
 ##Documentation
@@ -32,6 +32,6 @@
 
 ##Support/Contact
 
-If you have any questions, please feel free to ask on our mailing list, [dev@asterixdb.incubator.apache.org](mailto:dev@asterixdb.incubator.apache.org). Join the list by sending an email to [dev-subscribe@asterixdb.incubator.apache.org](mailto:dev-subscribe@asterixdb.incubator.apache.org)
+If you have any questions, please feel free to ask on our mailing list, [users@asterixdb.incubator.apache.org](mailto:users@asterixdb.incubator.apache.org). Join the list by sending an email to [users-subscribe@asterixdb.incubator.apache.org](mailto:users-subscribe@asterixdb.incubator.apache.org. If you are interested in the internals or developement of AsterixDB, also please feel free to subscribe to our developer mailing list, [dev@asterixdb.incubator.apache.org](mailto:dev@asterixdb.incubator.apache.org), by sending an email to [dev-subscribe@asterixdb.incubator.apache.org](mailto:dev-subscribe@asterixdb.incubator.apache.org).