Update README.md
update version number
make class source compatible with Java 1.5+
remove diamond operator to make source compatible with java 1.5+
update pom
switch build system to gradle
change findNeighbor() method
fix leading space
Remove @ParametersAreNonnullByDefault

This removes the dependency for JSR 305, and I'm not using FindBugs.
fix subtle bugs.
change license
working on gradle build
findNeighbors returns an array
new ant build script
start fixing up ant build script
add dependent jars
update .gitignore
reorganize project
remove eclipse files
update build script