Merge remote-tracking branch 'upstream/3.4' into merge-3.4
-rw-r--r-- 73 .gitattributes
drwxr-xr-x - .github
-rw-r--r-- 90 .gitignore
-rw-r--r-- 287 .travis.yml
-rw-r--r-- 191 CONTRIBUTING.md
-rw-r--r-- 2234 LICENSE
-rw-r--r-- 3140 README.md
drwxr-xr-x - doc
drwxr-xr-x - modules
drwxr-xr-x - samples