Minor fixes in build logic#197

Merged

skvark merged 11 commits intoopencv:masterfrom

native-api:fix_detection

Jun 17, 2019

Commits on May 2, 2019

Fix values of mismatch detection variables carrying over to the next iteration
native-api
committed
Fix removing old built opencv_ffmpeg when a new upstream formula is available
native-api
committed
Don't print bogus error message when cache warmup is complete
native-api
committed

Commits on May 4, 2019

Add prefix to all files related to CI rather than project
native-api
committed

Commits on May 8, 2019

(dummy commit to rerun checks)
native-api
committed

Commits on Jun 13, 2019

Revert "Use latest cmake for the main build, too, with better Python support
native-api
committed