Pre-release 0.3.4

Minor improvement compared to 0.3.3

• Propagate overwriteColor parameter for Link_Visualization2.mo such that user can easily switch between colors in meshes and colors defined by URDF, affects only Visualization2 parts of the library.

Pre-release version 0.3.3

No changes in code compared to pre-release version 0.3.2, only minor GitHub changes and zenodo.

Pre-release version 0.3.2

First open source release!