Added new SoundScene Display Style

Change the brightness of all LEDs in a column instead of displaying a
bar graph.
Made animated Text loop
Javadoc added for Image
Shifted Font one pixel down to have room for adding German umlauts.
Storing Font data in a HashMap now

This is better when supporting a non-consecutive list of characters.
(Preparation for supporting umlauts)
Added Umlauts
Made a variable width font
Made using variable width Fonts possible
Display more relevant bands in SoundScene
Moved SoundSceneStyle to own File and added it as parameter to SoundScene's constructor
Helper Class to convert Font to new format