Added some new terrain strings, so I can test with them.

These strings are not final yet and might change.

data/terrain.cfg

@@ -33,6 +33,7 @@ symbol_image=coast
 id=shallow_water
 name= _ "Shallow Water"
 char=c
+string=Ws
 submerge=0.4
 unit_height_adjust=-4
 [/terrain]
@@ -61,6 +62,7 @@ symbol_image=bridge-n-s-tile
 id=bridge
 name= _ "Bridge"
 char=|
+string=Bw|
 aliasof=gc
 [/terrain]
 
@@ -69,6 +71,7 @@ symbol_image=bridge-ne-sw-tile
 id=bridgediag1
 name= _ "Bridge"
 char=/
+string=Bw/
 aliasof=gc
 [/terrain]
 
@@ -77,6 +80,7 @@ symbol_image=bridge-se-nw-tile
 id=bridgediag2
 name= _ "Bridge"
 char=\
+string=Bw\
 aliasof=gc
 [/terrain]
 
@@ -130,6 +134,7 @@ symbol_image=grass/grassland-r1
 id=grassland
 name= _ "Grassland"
 char=g
+string=G
 [/terrain]
 
 [terrain]
@@ -147,6 +152,7 @@ symbol_image=village-human-tile
 id=village
 name= _ "Village"
 char=v
+string=Vh
 heals=8
 gives_income=true
 [/terrain]
@@ -366,6 +372,7 @@ symbol_image=forest-tile
 id=forest
 name= _ "Forest"
 char=f
+string=F
 [/terrain]
 
 [terrain]