F + G Hotkeys: Intent cycling (#72)

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They still existed in the game under a different name. 
Also cleans up the commands for the set intent hotkey help page
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## Changelog
:cl:
qol: F and G keys re-added. Intent cleanup on help>hotkeys
/:cl:

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interface/interface.dm

@@ -78,6 +78,8 @@
 	\ts = down
 	\td = right
 	\tw = up
+	\tf = a-intent left (cycles left)
+	\tg = a-intent right (cycles right)
 	\tq = drop
 	\te = equip
 	\tv = block
@@ -95,10 +97,10 @@
 	\tz = activate held object (or y)
 	\tl = looc-verb
 	\to = ooc-verb
-	\t1 = help-intent
-	\t2 = disarm-intent
-	\t3 = grab-intent
-	\t4 = harm-intent
+	\t1 = a-intent help
+	\t2 = a-intent disarm
+	\t3 = a-intent grab
+	\t4 = a-intent harm
 	\tCtrl = drag
 	\tShift = examine
 	\tF11 = toggle fullscreen

interface/skin.dmf

@@ -355,12 +355,12 @@ macro "hotkeymode"
 	elem "ctrlh"
 		name = "CTRL+H"
 		command = "holster"
-	elem "j"
-		name = "J"
-		command = "toggle-gun-mode"
-	elem "ctrlj"
-		name = "CTRL+J"
-		command = "toggle-gun-mode"
+	elem "f"
+		name = "F"
+		command = "a-intent left"
+	elem "g"
+		name = "G"
+		command = "a-intent right"
 	elem "l"
 		name = "L"
 		command = "LOOC-verb"