adjusted some styles; patched configure for reconf not init; added
-Wno-main to avoid warning
+ execute nodes after deleting; - removed test image data; @ adjusted
statement order
+ configure: show diff when "make commit"; + show error message
@ updated libcrude; + more accurate operator interface; @ stored data key
"ipu:props" changed to "ipu:v", and all the other places, too
@ optimized ipu_blur_y performance; @ fixed mis-spell: poll -> pull