EBTY: Fixed the object materials of the EBTY buildings and added a

bigger texture file size for these buildings. So now they shouldn't have
a washed out look.

This fixes isue: dvanmosselbeen/flightgear-belgian-custom-scenery#19

Objects/Belgium Scenery/Airports/EBTY/ebty_building_ref_005.ac

@@ -1,79 +1,79 @@
 AC3Db
-MATERIAL "Material" rgb 0.8 0.8 0.8 amb 1 1 1 emis 0 0 0 spec 1 1 1 shi 50 trans 0
+MATERIAL "DefaultWhite" rgb 1.0000 1.0000 1.0000  amb 0.2000 0.2000 0.2000  emis 0.0000 0.0000 0.0000  spec 0.5000 0.5000 0.5000  shi 10 trans 0.0000
+MATERIAL "Material" rgb 0.8000 0.8000 0.8000  amb 1.0000 1.0000 1.0000  emis 0.0000 0.0000 0.0000  spec 0.0000 0.0000 0.0000  shi 12 trans 0.0000
 OBJECT world
+name "Blender_export__ebty_building_ref_005.ac"
 kids 1
 OBJECT poly
-name "Cube"
-loc 0 1 -0
-data 4
-Cube
+name "Hangar"
+loc 0.0000000 1.0000000 0.0000000
+crease 1.0
 texture "ebty_building_ref_005.png"
 texrep 1 1
-crease 1.000000
 numvert 10
-12.499999 -1 -10.000002
-12.500001 -1 9.999998
--12.500001 -1 10
--12.499996 -1 -10.000002
-12.500005 3 -9.999998
-12.499993 3 10.000004
--12.500004 3 9.999998
--12.499999 3 -9.999998
-0.000003 6 -9.999998
--0.000005 6 10.000001
+12.4999990 -1.0000000 -10.0000019
+12.5000010 -1.0000000 9.9999981
+-12.5000010 -1.0000000 10.0000000
+-12.4999962 -1.0000000 -10.0000019
+12.5000048 3.0000000 -9.9999981
+12.4999933 3.0000000 10.0000038
+-12.5000038 3.0000000 9.9999981
+-12.4999990 3.0000000 -9.9999981
+0.0000026 6.0000000 -9.9999981
+-0.0000050 6.0000000 10.0000010
 numsurf 8
-SURF 0x10
-mat 0
+SURF 0X0
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 refs 4
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-SURF 0x10
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 refs 4
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-SURF 0x10
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 refs 4
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-SURF 0x10
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 refs 4
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-SURF 0x10
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 refs 3
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-SURF 0x10
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 refs 4
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-SURF 0x10
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 refs 3
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-mat 0
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+mat 1
 refs 4
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 kids 0