Fix "http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu disco Release"

[Ken Bassford]

Followed instructions on you downloads page and get the following result ...

Ign:7 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu disco InRelease
Err:8 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu disco Release
  404 Not Found [IP: 91.189.95.83 80]

Reading package lists... Done
E: The repository 'http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu disco Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

I presume your 'Release' folder has been relocated?!?

Thanks

[Ken Bassford (bassford)]

Did some surgery on the 'pinta-maintainers-ubuntu-pinta-stable-disco.list' file. Changed 'disco' to 'utopic' reveling yet another problem with the distro ...

Ign:5 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic InRelease
Hit:6 http://dl.google.com/linux/chrome/deb stable Release
Get:7 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic Release [15.1 kB]
Get:9 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic Release.gpg [316 B]
Ign:9 http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic Release.gpg
Reading package lists... Done
W: GPG error: http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY BC3E0682A5A1D6B2
E: The repository 'http://ppa.launchpad.net/pinta-maintainers/pinta-stable/ubuntu utopic Release' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

[Ken Bassford (bassford)]

Found additional problems with your files (see comment).