Read-me updates

[ashbyca]

Great work, this is awesome just wanted to share some discrepancies found from the read-me document.

create the required db in postgresql, the previously documented command didn't work for me, instead the following allowed me to create:

"psql -U postgres -d offenseviz -W -h localhost -a -f /opt/visSource/main/sql/create-db.sql"

modifications to src/main/etc/server.xml
*need to change the password in the line 20 to match what was previously configured for postgres
*you can't change the the values of "id" or "name" on line 29
*once this file is completed you need to copy it from "src/main/etc/server.xml" to "/opt/wlp/usr/servers/defaultServer" before starting your server

[rmccaskill]

Thanks for the comments. Good suggestions. We'll work on incorporating those into the setup.