v1_9_Build_1235
pre_v1_9_Build_1235
fixing building for 3d extension
Cleaning code.
upgrade version to 1.9-SNAPSHOT.
Refactoring and cleaning code.
Refactor in persistence.
Upgrade projects.
Upgrade pom.xml.
Upgrade pom.
Change properties.
New library to manage the animation on the 2D view.