reorganized the source per maven structure.
Created pom.xml to build hadoop-lzo.
Removed ant and ivy files.
Updated README.md.
Made it work on mac & linux and JDK 6 and 7.
Removing JDK 1.6 as a "requirement" for the build.
Updated the version to 0.4.18-SNAPSHOT per master change.
Updated the pom to conform to the maven central requirements.
Merged pull request #70.