Reorganized CUDA files
Renamed folder
Added READMEs for CUDA examples
Added more R instructions
Tweaked RCUDA example
Added PyCUDA READMEs
Added more READMEs
Fixed typo
Added RCUDA example2
Fixed RCUDA example0
Fixed RCUDA example1
Added example2 stuff
Moved example2
Tweaks
Added AWS instructions
Added clarification
HW4 final updates

Updates required for HW 4