Adjust logic to properly sort erlang versions

Fixes #21417.
youtube-dl 2013.07.24.2

Closes #21423.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
dart 25388

Closes #21422.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
Solr 4.4.0

Closes #21424.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
git-encrypt 0.3.1

Closes #21371.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>
pngquant: update github URLs

Fixes #21403.
glew 1.10.0

Closes #21387.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>