changed examples` debug flags for Windows: added -g, -O2 switched to -O0
made ISPC + LLVM-trunk compile on Windows
changes in __scatter_base_offsets64_float
modified all gather/scatter instructions in 'knc-i1x16.h'
64 bit gather/scatter fix for knc.h
removed ugly INT32_MIN define (included limits.h) and updated the copyright
undefined printf functions in knc-i1x16.h