added Johannes' existing CMake files
removed accidental addition of build files
Fixed several of project's CMakeLists.  Fixed one incorrect print string.
added missing CMakelists and hw4 cpp fix from last commit
tweaked compiler arguments to make code compatible with more graphics cards.
removed a debugging line and added myself to credits. =)
moved -Wextra compiler option (specific to GCC) to a UNIX-only section. VS2008 was barfing on it.
simplified several unnecessary inclusions/linkages
Removed unnecessary (but benign) CUDA executable specifiers for compare functions in HW3 and 4
Merge latest Udacity code; resolve timing output conflict in HW4/main.cpp
Added HW5 files.  Added output of binaries to a single folder in the base directory.
Merge pull request #8 from msarahan/cmake

Added CMake