[Contrib] Tango Colors

[simpsus]

The tango color scheme
http://tango.freedesktop.org/static/cvs/tango-art-tools/palettes/Tango-Palette.png
is a nice standard set of colors.

An enum containing all the colors:

https://github.com/simpsus/WordCram/blob/sketches/src/contrib/TangoColorEnum.java

A Colorer Iterating through these words based on some strategies:

https://github.com/simpsus/WordCram/blob/sketches/src/contrib/TangoWordColorer.java

A Colorer that uses the temperature levels of the colors in relation to the word weight:

https://github.com/simpsus/WordCram/blob/sketches/src/contrib/TangoHeatMap.java