Merge branch 'save_ext' into jgrpp

# Conflicts:
#	Makefile.src.in
#	findversion.sh
#	projects/determineversion.vbs
#	src/lang/dutch.txt
#	src/lang/korean.txt
#	src/network/network.cpp
#	src/network/network_client.cpp
#	src/rail.cpp
#	src/rail_cmd.cpp
#	src/saveload/afterload.cpp
#	src/ship_cmd.cpp
#	src/toolbar_gui.cpp
#	src/vehicle.cpp

src/rev.h

@@ -17,6 +17,7 @@ extern const char _openttd_build_date[];
 extern const char _openttd_revision_hash[];
 extern const char _openttd_build_configure[];
 extern const byte _openttd_revision_modified;
+extern const byte _openttd_revision_tagged;
 extern const uint32 _openttd_newgrf_version;
 
 bool IsReleasedVersion();