error during ./install-build-deps.sh on Ubuntu 16.04

[wrightpt]

I have ran this successfully on Ubuntu 16.04 before. Wanted to post and make everyone aware


W: The repository 'http://ppa.launchpad.net/smspillaz/cmake-2.8.12/ubuntu xenial Release' does not have a Release file.
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: Failed to fetch http://ppa.launchpad.net/smspillaz/cmak ... 4/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.