removed the simple gauges again…they have just not been good enough… :)
Added a RadialBargraph Control which looks similar to the Gauge
added copyright to new classes
replaced the Paint and PaintConverter to Color and ColorConverter...
Modified the colorToCss() method and made sure that it will only be used at one place in the Util class
lambdafied the builders
Revert "replaced the Paint and PaintConverter to Color and ColorConverter..."

This reverts commit 888d890a8bbe09809bf6c28fcc35b16842add977.
delambdafied builders again due to some problems
Used deriveColor to create barBorderColor instead of calculating the new Color manually
Experimental approach to set colors by using setBackground(BackgroundFill, null, null) instead of using setStyle()
removed old css files
Added new SimpleGauge which might fit well to Pi related projects
cosmetics
modified the SimpleGauge demo so that it shows two gauges instead of one.
Added the possibility to show the Section text within the sections
cosmetics
cosmetics in SimpleGauge
cosmetics related to section and marker styleable properties
fixed minor problem with MarkerFill0 property
Merged the PullRequest #1 and added some cosmetics