changed poms to generate proper uber-jars
bumped up version no.
Merge pull request #67 from Isaac-Kleinman/master

Final pom changes necessary for maven central uploading
Update README.md
Pre-release Jalopy run.
Updates for 0.9.0 release.
Fix git reference in pom.xml
[maven-release-plugin] prepare release jgrapht-0.9.0
[maven-release-plugin] prepare for next development iteration
Updates for starting 0.9.1 development