bioinspired: prevent call ocl implementation when log sampling is enabled in retina (there is no log sampling kernel)

This patch update bioinspired opencl code to make it working
with latest opencv, major changes include:

1. data structure update, e.g. oclMat to UMat.
2. opencl kernel optimization to get it running faster
3. accuracy and perf test update.
Signed-off-by: Li Peng <peng.li@intel.com>

Bioinspired module: remove printSetup to avoid unnecessary printing in the console, fix some typos. (#905)