Changed "blas" to "openblas"

The change was made because openblas has to be linked as "-lopenblas" and not "-lblas". This caused an error when compiling.
Fixed param order of cv::Size in cv::resize
Merge pull request #1152 from sguada/fix_cv_size_order

Fix param order of cv::Size in cv::resize
Merge pull request #1147 from savy-91/patch-1

Changed "blas" to "openblas"
Merge remote-tracking branch 'upstream/master'