Fix: [Zsh] load ssh-agent module
Merge pull request #304 from petRUShka/load-ssh-agent

Fix: [Zsh] load ssh-agent module
Merge branch 'master' into gizero

* master:
  Fix: [Zsh] load ssh-agent module
tmux.conf: comment OSX-only tmux wrapper

* in OSX we wrap tmux with reattach-to-user-namespace to bring back
clipboard functionalities. Comment out for Linux
* remove few trailing spaces