WIP
Added material property in shapes, and in tests!
WIP
WIP
Corrected test_shapes according to PEP8
Added Docstring for material attribute
broke json generation method into two methods, one for
generating scene information, and other for generating simulation
information
broken JSON generating method in scene class into two methods,
one for simualtion data and another for scene data. Both are now
saved in different files!
Added small case material names, removed the word 'texture' from docstrings!
Merge pull request #61 from pydy/shape-material

Shape material
minor changes as per the PR review.
Added source information in scene_desc dict
Corrected tests to reflect changes in methods
Added output file prefix, if prefix **not** specified, timestamp is used instead.
Converted Scene_info from list to dict.
First Commit: Added basic libraries and Dynamics Visualizer Class
Added simulation data file info in scene_desc.json
Added Parser methods
Added UI Controls
Added Slider