cache remote.log

Unlikely to speed up any of the existing uses much, but I want to use it
in a message that might be displayed many times.

Command/EnableRemote.hs

@@ -72,7 +72,7 @@ startNormalRemote name restparams r
 startSpecialRemote :: Git.RemoteName -> Remote.RemoteConfig -> Maybe (UUID, Remote.RemoteConfig, Maybe (SpecialRemote.ConfigFrom UUID)) -> CommandStart
 startSpecialRemote name config Nothing = do
 	m <- SpecialRemote.specialRemoteMap
-	confm <- Logs.Remote.readRemoteLog
+	confm <- Logs.Remote.remoteConfigMap
 	Remote.nameToUUID' name >>= \case
 		Right u | u `M.member` m ->
 			startSpecialRemote name config $

Command/InitRemote.hs

@@ -71,7 +71,7 @@ start o (name:ws) = ifM (isJust <$> findExisting name)
 				(sameas o) 
 			c <- newConfig name sameasuuid
 				(Logs.Remote.keyValToConfig Proposed ws)
-				<$> readRemoteLog
+				<$> remoteConfigMap
 			t <- either giveup return (findType c)
 			if whatElse o
 				then startingCustomOutput (ActionItemOther Nothing) $

Command/RenameRemote.hs

@@ -37,7 +37,7 @@ start ps@(oldname:newname:[]) = Annex.SpecialRemote.findExisting oldname >>= \ca
 	Nothing -> Remote.nameToUUID' oldname >>= \case
 		Left e -> giveup e
 		Right u -> do
-			m <- Logs.Remote.readRemoteLog
+			m <- Logs.Remote.remoteConfigMap
 			case M.lookup u m of
 				Nothing -> giveup "That is not a special remote."
 				Just cfg -> go u cfg Nothing