Yet some more hierarchy cleanups.

At last images/ only contains unit images (besides wesnoth icon).

data/help.cfg

@@ -122,12 +122,12 @@ text= _ "Wesnoth games usually take place with a regular cycle between day and n
 
 The usual day/night cycle runs:
 
-Dawn <jump>to=160</jump><img>src=Dawn.png align=here</img>
-Morning <jump>to=160</jump><img>src=Morning.png align=here</img>
-Afternoon <jump>to=160</jump><img>src=Afternoon.png align=here</img>
-Dusk <jump>to=160</jump><img>src=Dusk.png align=here</img> 
-First Watch <jump>to=160</jump><img>src=FirstWatch.png align=here</img>
-Second Watch <jump>to=160</jump><img>src=SecondWatch.png align=here</img>
+Dawn <jump>to=160</jump><img>src=misc/schedule-dawn.png align=here</img>
+Morning <jump>to=160</jump><img>src=misc/schedule-morning.png align=here</img>
+Afternoon <jump>to=160</jump><img>src=misc/schedule-afternoon.png align=here</img>
+Dusk <jump>to=160</jump><img>src=misc/schedule-dusk.png align=here</img> 
+First Watch <jump>to=160</jump><img>src=misc/schedule-firstwatch.png align=here</img>
+Second Watch <jump>to=160</jump><img>src=misc/schedule-secondwatch.png align=here</img>
 
 Morning and Afternoon count as day, First and Second Watch count as night.
 
@@ -137,7 +137,7 @@ Lawful units get +25% damage in daytime, and -25% damage at night.
 Chaotic units get +25% damage at night, and -25% in daytime.
 Neutral units are unaffected by the time of day.
 
-<img>src=Underground.png align=right float=yes</img>Keep in mind that some scenarios take place underground, where it is perpetually night!"
+<img>src=misc/schedule-underground.png align=right float=yes</img>Keep in mind that some scenarios take place underground, where it is perpetually night!"
 [/topic]
 
 [topic]

data/scenarios/The_Dark_Hordes/intro.cfg

@@ -35,7 +35,7 @@
 	id=undead_intro_4
 	background=misc/blank.png
 		[image]
-		file=FirstWatch.png
+		file=misc/schedule-firstwatch.png
 		x,y=284,204
 		[/image]
   [/part]

data/schedules.cfg

@@ -2,14 +2,14 @@
 [time]
 id=dawn
 name= _ "Dawn"
-image=Dawn.png
+image=misc/schedule-dawn.png
 red=-20
 green=-20
 [/time]
 [illuminated_time]
 id=morning
 name= _ "Morning"
-image=Morning.png
+image=misc/schedule-morning.png
 lawful_bonus=25
 red=-20
 green=-20
@@ -20,13 +20,13 @@ green=-20
 [time]
 id=morning
 name= _ "Morning"
-image=Morning.png
+image=misc/schedule-morning.png
 lawful_bonus=25
 [/time]
 [illuminated_time]
 id=morning
 name= _ "Morning"
-image=Morning.png
+image=misc/schedule-morning.png
 lawful_bonus=25
 [/illuminated_time]
 #enddef
@@ -35,13 +35,13 @@ lawful_bonus=25
 [time]
 id=afternoon
 name= _ "Afternoon"
-image=Afternoon.png
+image=misc/schedule-afternoon.png
 lawful_bonus=25
 [/time]
 [illuminated_time]
 id=afternoon
 name= _ "Afternoon"
-image=Afternoon.png
+image=misc/schedule-afternoon.png
 lawful_bonus=25
 [/illuminated_time]
 #enddef
@@ -50,14 +50,14 @@ lawful_bonus=25
 [time]
 id=dusk
 name= _ "Dusk"
-image=Dusk.png
+image=misc/schedule-dusk.png
 green=-20
 blue=-20
 [/time]
 [illuminated_time]
 id=afternoon
 name= _ "Afternoon"
-image=Afternoon.png
+image=misc/schedule-afternoon.png
 lawful_bonus=25
 green=-20
 blue=-20
@@ -68,7 +68,7 @@ blue=-20
 [time]
 id=first_watch
 name= _ "First Watch"
-image=FirstWatch.png
+image=misc/schedule-firstwatch.png
 lawful_bonus=-25
 red=-40
 green=-40
@@ -77,7 +77,7 @@ blue=-10
 [illuminated_time]
 id=dusk
 name= _ "Dusk"
-image=Dusk.png
+image=misc/schedule-dusk.png
 red=-40
 green=-40
 blue=-10
@@ -88,7 +88,7 @@ blue=-10
 [time]
 id=second_watch
 name= _ "Second Watch"
-image=SecondWatch.png
+image=misc/schedule-secondwatch.png
 lawful_bonus=-25
 red=-40
 green=-40
@@ -97,7 +97,7 @@ blue=-10
 [illuminated_time]
 id=dusk
 name= _ "Dusk"
-image=Dusk.png
+image=misc/schedule-dusk.png
 red=-40
 green=-40
 blue=-10
@@ -108,12 +108,12 @@ blue=-10
 [time]
 id=underground
 name= _ "Underground"
-image=Underground.png
+image=misc/schedule-underground.png
 lawful_bonus=-25
 [/time]
 [illuminated_time]
 id=underground
 name= _ "Underground"
-image=UndergroundIllum.png
+image=misc/schedule-underground-illum.png
 [/illuminated_time]
 #enddef