Update README.md

added the round function that is missing on windows

use define in compile instead of string replacement of HP size

added the log2 function and fixed a problem with increasing isovalue

updated license

changed OpenCLUtilities url in .gitmodules so people who clone the project can fetch the submodule

added an option of extracting surfaces on every frame or only on isovalue change. Also, added a lot of fancy text

Removed unused file

updated readme with changes

Histogram Pyramid now uses char and short for the lower levels and thus

removed printf code

Removed unecessary texture reads

bug: reading from wrong channel from the rawData image

Added code for using morton code kernels. Everything seems to be working

Added function for calculating morton code and made changes to kernels