Added some comments to this bad boy!

Signed-off-by: Elliot Voris <elliotfriend@gmail.com>
Merge pull request #4 from ElliotFriend/we_need_some_comments_up_in_here

Added some comments to this bad boy!
Merge branch 'master' into download_latest_version

Conflicts:
	YNAB4_LinuxInstall.pl