Maintenance, bugfixing and optimization

[b]NEW FEATURES[/b] [list] [*] New colorization has been applied to the greens. Now, the colors range from light yellow to dark red, depending on the slope of the terrain. The redder a slope is, the more stepped. [*] The 'Retired' status has been added to tournaments. if the player does not finish the match, he will appear in the ranking as 'RET'. Note a 'RET' counts as a participation, so if the tournament is NON-REPLAYABLE the retired player will not be able to play it again. [*] Important correction on duration, frequency, options, cost, and prices of all tournaments across all game modes. [/list] [b]BUGFIXING[/b] Among others, fixed issue on the 18th hole of St. Andrews: slopes now appear correctly. [b]MINOR CORRECTIONS AND IMPROVEMENTS[/b]