Reorganize source file hierarchy:
* Rename unity files
* Move some modules to new subdirectories
* Remove obsolete Visual Studio project files
* Remove obsolete coding style and TODO list

r 4fd95b0 Reorganize source file hierarchy: * Move modules to subdirectory * Remove obsolete Visual Studio project files * Remove obsolete coding style and TODO list
f 63b490a [FOLD] ripple rename unity files
f 15cd0a8 [FOLD] beast rename unity files
f d3c4c23 [FOLD] ripple move unity files to a subdirectory
f 3f9e00a [FOLD] ripple remove .unity suffix