first debug integration of newly trained cascade
integrated 128x256 scale
integrate 128x256 scale; remove log
xml for soft cascade
perf test
a bit refactored soft cascade
fix test for a new test data
fix soft scade xml
add two types of feature boxes support:
 - (left, top, width, height)
 - (left, top, right, bottom)
fix typo
fix python wrapping
fix test for new cascade
Merge branch 'soft-cascade-refactoring-and-fixes' into training
add cropping and aspect ratio normalization
add detection to ground truth matching
according to Piotr Dollar paper