Mavenized projects.
Added pom.xmls.
Version correctly set in poms and release script updated to reflect maven changes.
Restored and updated eclipse project files.
Updated to new libgdx groupId and restored uiskin.json.
ArtifactIds reflect eclipse project names and missing .classpath entries added.
Updated package-release.xml
Added junkdog (the maven master) to CONTRIBUTORS
Updated README with Android-specific known issues
Bumped libgdx to 0.99.