Change paths for Gentoo's filesystem layout.

--- a/config
+++ b/config
@@ -1,11 +1,11 @@
 # Fullscreen enable/disable
-Fullscreen = 0
+Fullscreen = 1
 # Width of screen in blocks
 screenX = 21
 # Height of screen in blocks
 screenY = 16
 # Theme Folder - path to a valid theme
-theme = themes/original/
+theme = /usr/share/tuxdash/themes/original/
 # Distance in X direction, before scrolling starts
 scrolldistX = 3
 # Distance in Y direction, before scrolling starts
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -340,9 +340,7 @@
 
 	// set tuxdash's config / working directory
 	char* HomeDirectory;
-	char* CurrentDirectory;
 	HomeDirectory = getenv("HOME");	// get users home directory
-	CurrentDirectory = getenv("PWD");	// get TuxDash's working directory
 	TuxHomeDirectory = new char[strlen(HomeDirectory)+strlen("/.tuxdash")+1];	// align space for the string containing the path to tuxdash's config directory
 	strcpy(TuxHomeDirectory, HomeDirectory);
 	strcat(TuxHomeDirectory, "/.tuxdash");
@@ -355,12 +353,12 @@
 		}
 		else {
 			mkdir((ostring)TuxHomeDirectory + "/themes", 0711);	// create the themes folder. The default themes are not copied there, but the folder is created for possible additional themes added by the player
-			chdir(CurrentDirectory);
+			chdir("/usr/share/tuxdash");
 			system((ostring)"cp -r maps savegames config " + TuxHomeDirectory);
 		}
 	}
 	cout << endl << " Using " << TuxHomeDirectory << " for configuration, map and savegame files" << endl;
-	chdir(CurrentDirectory);
+	chdir("/usr/share/tuxdash");
 	// finished with check of working directory
 
 	int running=1, start, stop, framestart = time(0), frames=0, frame_count = 0;