Works on both Umbraco 7 and 8
Creates an "unbound" colour picker based on the Spectrum jquery plugin. By unbound, we mean that colours aren't pre-defined, allowing the user to choose a color of their own.
For more information about Spectrum, go here: http://bgrins.github.io/spectrum/
If you want to customise the settings for Spectrum, see the file in
and set the Spectrum options in the directive.