move ClPlatform to OPL namespace
move ClMemory to OPL namespace
move IClMemory to OPL namespace
move ClKernelCallStats class to namespace OPL
move classes to OPL namespace
add classes to OPL namespace
move DataGenerator classes to OPL namespace
move ClArrayMemory classes to OPL namespace
move classes to OPL namepsace
move classes to OPL namespace
move classes to OPL namespace
move class to OPL namespace
move classes to OPL namepsace
move class to OPL namepsace
move ClError to OPL namespace
move class to OPL namespace
move classes to OPL namespace
remove redundant mocks, move classes to OPL namespace
remove redundant 'OPL::'