remove binstubs
Update SSHKit url
Merge pull request #728 from bry4n/patch-1

Update SSHKit url
Update README with removed variables

Add description and note on :copy_exclude which is not supported Capistrano 3 any more.
Merge pull request #735 from ain/patch-2

Update README with removed variables
Merge pull request #726 from mpapis/bugfix/remove-binstubs

remove binstubs
Update README.md

Add CodeClimate badge