Rename all Language.gf to AllLan.gf to be able to build them automatically.

resource/bulgarian/AllBul.gf

@@ -1,6 +1,6 @@
 --# -path=.:../abstract:../common:prelude
 
-concrete Bulgarian of BulgarianAbs = 
+concrete AllBul of AllBulAbs = 
   LangBul,
   ExtraBul
   ** {

resource/bulgarian/AllBulAbs.gf

@@ -1,6 +1,6 @@
 --# -path=.:../abstract:../common:prelude
 
-abstract BulgarianAbs = 
+abstract AllBulAbs = 
   Lang,
   ExtraBulAbs
   ** {