Merge pull request shimat#508 from shimat/substitute_macros

substitute DEFINE_FILENODE_READ_VEC macro

appveyor.yml 3.3.1 -> 3.4.1

Merge branch '3.3.1'

Merge pull request shimat#393 from shimat/fix_issues

Fix shimat#335, shimat#387

Merge pull request shimat#384 from shimat/highgui_update

highgui update

tab -> space

Merge branch 'master' of https://github.com/shimat/opencvsharp

Update README.md

Merge pull request shimat#278 from shimat/hello_contrib

Hello contrib

cv::Ptr<T> bugfix