Merge remote-tracking branch 'upstream/master' into HEAD
-rw-r--r-- 2433 .travis.yml
-rw-r--r-- 4111 AUTHORS
-rw-r--r-- 35821 Copying.txt
-rw-r--r-- 13150 README.md
-rw-r--r-- 7771 Top CPU Contributors.txt
-rw-r--r-- 2243 appveyor.yml
drwxr-xr-x - src
drwxr-xr-x - tests