Hodoku-2.2.10

Minor:

• Color palette 'R' button now clears all colors regardless of radio button selection.
• Added tooltips for the color chooser component.
• Added German translation for those new components.
• Added 2 colors to the color palette (Cyan and Yellow) which is often used for AICs.
• Selection head is now part of the cell selection.

Bug Fix:

• Primary color now updates correctly when setting its color to a custom value.
• Clear variable state when resetting/loading new puzzles.