Initial pre10.3 folder reorganization

Initial pre10.3 folder reorganization:
- old folders renamed with "x_" prefix
- new folders added
- toolboxes/scripts/files/etc. added to new folders
- toolbox folder removed from old folders
- NOTE: Testing scripts are in limbo and exist in both old and new
folders.
Update README.md
Update README.md
Rename README.MD to README.md
Rename README.MD to README.md
Rename README.MD to README.md
Rename README.MD to README.md
Rename README.MD to README.md
Rename README.MD to README.md
Fixes for READMEs and graphics
Merge pull request #96 from mfunk/master

pre10.3 folder reorganization part 1