Improved the images for stock increase/decrease.
-rw-r--r-- 843 Makefile
-rw-r--r-- 1537 StockPluginDecrease.png
-rw-r--r-- 1513 StockPluginIncrease.png
-rw-r--r-- 14447 lib-stock-home-widget.c
-rw-r--r-- 1966 lib-stock-home-widget.h
-rw-r--r-- 2980 lib-stock-settings.c
-rw-r--r-- 1478 lib-stock-settings.h
-rw-r--r-- 105 stock-home-widget.desktop
-rw-r--r-- 2975 stockgetter.c
-rw-r--r-- 608 stockgetter.h