[opengrok] Make it easyer to run Emma on OpenGrok (see README.txt)

[jorgen.aust...@sun.com]

Author: Jorgen Austvik <jorgen.austvik at sun.com>
Repository: /hg/opengrok/trunk
Latest revision: 58021c29e1cfaba781e06da8b973a9fdb6865bb9
Total changesets: 1
Log message:
Make it easyer to run Emma on OpenGrok (see README.txt)

Files:
        update: .hgignore
        update: README.txt
        update: build.xml