Added a new Python slot "UvCalculate", moved Archimap and "UVs from adjacent" into it.

Removed 1/2 1/4 1/8 uv mapping options.
made re-evaluating the py-scripts dir use the wait cursor (could take a while at times)

source/blender/python/BPY_menus.c

@@ -103,6 +103,8 @@ static int bpymenu_group_atoi( char *str )
 		return PYMENU_WEIGHTPAINT;
 	else if( !strcmp( str, "VertexPaint" ) )
 		return PYMENU_VERTEXPAINT;
+	else if( !strcmp( str, "UvCalculation" ) )
+		return PYMENU_UVCALCULATION;
 	/* "Misc" or an inexistent group name: use misc */
 	else
 		return PYMENU_MISC;
@@ -168,6 +170,9 @@ char *BPyMenu_group_itoa( short menugroup )
 	case PYMENU_VERTEXPAINT:
 		return "VertexPaint";
 		break;
+	case PYMENU_UVCALCULATION:
+		return "UvCalculation";
+		break;
 	case PYMENU_MISC:
 		return "Misc";
 		break;