ADD: Early BR Diesels (Junna)

git-svn-id: https://svn.code.sf.net/p/simutrans/code/pak128.Britain@1497 e96eaf88-093e-0410-925f-862d53288611
FIX: City Cemetry had wrong images in winter.

git-svn-id: https://svn.code.sf.net/p/simutrans/code/pak128.Britain@1498 e96eaf88-093e-0410-925f-862d53288611
FIX: Miscellaneous fixes (Vladki)

git-svn-id: https://svn.code.sf.net/p/simutrans/code/pak128.Britain@1499 e96eaf88-093e-0410-925f-862d53288611