Move most UI metrics to common.

This reduces the odds that a third-party mod will crash due to missing
one of them. Eliminates ra2#291.

mods/common/metrics.yaml

@@ -1,19 +1,42 @@
 Metrics:
-	SpawnFont: TinyBold
-	SpawnColor: FFFFFF
-	SpawnContrastColor: 000000
-	SpawnLabelOffset: 0,1
-	IncompatibleVersionColor: FF0000
-	IncompatibleGameColor: A9A9A9
-	ProtectedGameColor: FF0000
-	IncompatibleProtectedGameColor: 8B0000
-	WaitingGameColor: 00FF00
-	IncompatibleWaitingGameColor: 32CD32
+	ButtonBaseLine: 0
+	ButtonDepth: 1
+	ButtonFont: Regular
+	ButtonTextColor: FFFFFF
+	ButtonTextColorDisabled: 808080
+	ButtonTextContrast: false
+	ButtonTextContrastColorDark: 000000
+	ButtonTextContrastColorLight: 7F7F7F
+	ButtonTextShadow: false
+	CheckboxPressedState: false
 	GameStartedColor: FFA500
-	IncompatibleGameStartedColor: D2691E
-	GlobalChatTextColor: FFFFFF
 	GlobalChatNotificationColor: D3D3D3
-	PlayerStanceColorSelf: 32CD32
+	GlobalChatTextColor: FFFFFF
+	HotkeyColor: FFFFFF
+	HotkeyColorDisabled: 808080
+	HotkeyFont: Regular
+	IncompatibleGameColor: A9A9A9
+	IncompatibleGameStartedColor: D2691E
+	IncompatibleProtectedGameColor: 8B0000
+	IncompatibleVersionColor: FF0000
+	IncompatibleWaitingGameColor: 32CD32
 	PlayerStanceColorAllies: FFFF00
 	PlayerStanceColorEnemies: FF0000
 	PlayerStanceColorNeutrals: D2B48C
+	PlayerStanceColorSelf: 32CD32
+	ProtectedGameColor: FF0000
+	SpawnColor: FFFFFF
+	SpawnContrastColor: 000000
+	SpawnFont: TinyBold
+	SpawnLabelOffset: 0,1
+	TextColor: FFFFFF
+	TextContrast: false
+	TextContrastColorDark: 000000
+	TextContrastColorLight: 7F7F7F
+	TextFont: Regular
+	TextShadow: false
+	TextfieldColor: FFFFFF
+	TextfieldColorDisabled: 808080
+	TextfieldColorInvalid: FFC0C0
+	TextfieldFont: Regular
+	WaitingGameColor: 00FF00