deckview.cpp:244:6: warning: no previous declaration for 'bool
sortCardsByName(DeckViewCard*, DeckViewCard*)' [-Wmissing-declarations]

This is the first implementation of a theme manager. It’s a rebased and
revisited version of #792.

This is the first implementation of a theme manager. It’s a rebased and
revisited version of #792.

Before:

After:

- removed unused commented out code

Wasnt happy with the first gradient, too much white. Now uses 2 shades
or purple.

+ Added a fade to inactive players TableZone
+ Refreshed TableZone, HandZone and DeckView  default background colors