Added youtube-dl cheatsheet
fixing typo in cheat git
added new examples for find
added examples for pdftk (manipulating pdf files)
added example for the gs command (reduce pdf file)
corrected typo for a better management of files with space in their name
To copy a key to a remote host on a non-standard port with non-standard ssh key
remove ssh-copy-id
add ssh on a non-standard port
Adding less cheat sheet
Adding additional ssh-keygen command examples
Adding additional ssh-keygen command examples
Added mysqdump backup and restore and basic connection
Added sheets for emacs and gpg
Introduce DEFAULT_CHEAT_DIR environment variable

Now ~/.cheat can be overridden
Remove odd new line
Add note about DEFAULT_CHEAT_DIR to the README file
New cheats on find
New lsof cheat
Added 7z cheatsheet