Merge remote-tracking branch 'upstream/master' into HEAD
-rw-r--r-- 2502 .travis.yml
-rw-r--r-- 3725 AUTHORS
-rw-r--r-- 35821 Copying.txt
-rw-r--r-- 10554 Readme.md
-rw-r--r-- 7771 Top CPU Contributors.txt
-rw-r--r-- 2064 appveyor.yml
drwxr-xr-x - src
drwxr-xr-x - tests