Prepping for Demos

Moving SimplerJOGL core project into its own subfolder to make way for additional demos in the repo.

Updated .gitignore to exclude Javadoc files.

Signed-off-by: Seth Battis <SethBattis@stmarksschool.org>
Visible Axes Demo

A demonstration of how to enable and use the visible axes feature of SimplerJOGL.

Signed-off-by: Seth Battis <SethBattis@stmarksschool.org>
TextureSphere Demo

An example of how to load a texture on to a TextureSphere in SimplerJOGL.

Signed-off-by: Seth Battis <SethBattis@stmarksschool.org>