To install, copy the "Skew" folder into the appropriate location for the given platform and version listed below. (more information about Sublime Text packages)
Sublime Text 2
~/Library/Application Support/Sublime Text 2/Packages/
Sublime Text 3
~/Library/Application Support/Sublime Text 3/Packages/
Sublime Text 2
%APPDATA%\Sublime Text 2\Packages
Sublime Text 3
%APPDATA%\Sublime Text 3\Packages
Sublime Text 2
~/.Sublime Text 2/Packages
Sublime Text 3
~/.Sublime Text 3/Packages