Merge branch 'save_ext' into jgrpp

# Conflicts:
#	Makefile.src.in
#	findversion.sh
#	projects/determineversion.vbs
#	src/gamelog.cpp
#	src/gamelog_internal.h
#	src/lang/german.txt
#	src/lang/korean.txt
#	src/network/core/config.h
#	src/network/network.cpp
#	src/network/network_udp.cpp
#	src/rev.h
#	src/saveload/afterload.cpp
#	src/saveload/company_sl.cpp
#	src/saveload/depot_sl.cpp
#	src/saveload/gamelog_sl.cpp
#	src/saveload/misc_sl.cpp
#	src/saveload/order_sl.cpp
#	src/saveload/saveload.cpp
#	src/saveload/station_sl.cpp
#	src/saveload/town_sl.cpp
#	src/saveload/vehicle_sl.cpp
#	src/table/settings.ini
#	src/viewport.cpp

src/table/company_settings.ini

@@ -32,7 +32,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()

src/table/currency_settings.ini

@@ -25,7 +25,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()

src/table/gameopt_settings.ini

@@ -60,7 +60,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()
@@ -80,7 +80,7 @@ def      = 0
 min      = 0
 max      = 0
 full     = NULL
-to       = 3
+to       = SLV_4
 
 [SDTG_GENERAL]
 name     = ""diff_custom""
@@ -94,7 +94,7 @@ def      = 0
 min      = 0
 max      = 0
 full     = NULL
-from     = 4
+from     = SLV_4
 
 ##
 [SDTG_VAR]
@@ -155,21 +155,21 @@ type     = SLE_UINT8
 def      = DEF_SNOWLINE_HEIGHT * TILE_HEIGHT
 min      = MIN_SNOWLINE_HEIGHT * TILE_HEIGHT
 max      = MAX_SNOWLINE_HEIGHT * TILE_HEIGHT
-to       = 21
+to       = SLV_22
 
 [SDT_NULL]
 length   = 1
-from     = 22
-to       = 164
+from     = SLV_22
+to       = SLV_165
 
 [SDT_NULL]
 length   = 1
-to       = 22
+to       = SLV_23
 
 [SDTC_OMANY]
 var      = gui.autosave
 type     = SLE_UINT8
-from     = 23
+from     = SLV_23
 flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
 def      = 1
 max      = 4

src/table/misc_settings.ini

@@ -32,7 +32,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()

src/table/win32_settings.ini

@@ -30,7 +30,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()

src/table/window_settings.ini

@@ -26,7 +26,7 @@ strhelp  = STR_CONFIG_SETTING_NO_EXPLANATION_AVAILABLE_HELPTEXT
 strval   = STR_NULL
 proc     = NULL
 load     = NULL
-from     = 0
+from     = SL_MIN_VERSION
 to       = SL_MAX_VERSION
 cat      = SC_ADVANCED
 extver   = SlXvFeatureTest()