This file defines properties unique to the user (my local environment). This allows the inclusion of user specific properties.
In my build.xml file I use the ${user.name} property to include this file. You will need to adjust the file name to match your user name.
#local paths
path.build = D:/build/
path.temp = D:/temp/
path.dist = ${path.build}${ant.project.name}
path.local = ${path.temp}${ant.project.name}
path.mysql = C:/Program Files/MySQL/MySQL Workbench 5.2 CE
#server
server.local = http://localhost/${ant.project.name}/
server.demo = http://mydemoservername/${ant.project.name}demo
server.development = http://mydevservername/${ant.project.name}/
server.production = http://myprodservername/${ant.project.name}/