Polishing before release + new 2D elements

Many small fixes and minor enhancements are being added to the codebase. New 2D elements were created by Zphr meanwhile. HUD main log is now 2 rows longer thanks to the 2D changes. These are all in SVN. Light effect was added to spells, turn act window inventory lists are supporting item icons as well now. Some new sounds were added. Encounter Grounds generation was perfected, adding Cave Encounter ground for example. Logging to console was moved completely to text file logging to help later bug investigation.