Remove two "set" kernel call
Combined counter and corner buffers into one
Remove ATL dependency from MSMF capture code.

Use _com_ptr_t instead of CComPtr in ComPtr wrapper to avoid ATL dependency.
Documentation fix on py_tutorials
Merge pull request #3293 from a-wi:MSMF_remove_ATL_dependency_v3
Merge pull request #3304 from eltermann:master
Merge pull request #3210 from akarsakov:ocl_gftt_opt
bugfix #3945 pass idx,idx1 by reference instead of static vars
Merge pull request #3312 from berak:b_3945_30
naive implementation
second naive implementation
use local memory
block_size=16
add vector 4
vectors for cn==2