Frontend.Console: show progress on balance check

Show progress when checking balances so that we can know which
currency is the slow one.

Fixes #245

src/GWallet.Frontend.Console/Program.fs

@@ -467,10 +467,11 @@ let rec ProgramMainLoop() =
         )
 
     Console.WriteLine ()
-    Console.WriteLine "*** STATUS ***"
+    Console.WriteLine("*** STATUS ***" + Environment.NewLine)
     let lines =
         UserInteraction.DisplayAccountStatuses(WhichAccount.All activeAccounts)
             |> Async.RunSynchronously
+    Console.WriteLine Environment.NewLine
     Console.WriteLine (String.concat Environment.NewLine lines)
     Console.WriteLine ()
 

src/GWallet.Frontend.Console/UserInteraction.fs

@@ -251,6 +251,9 @@ module UserInteraction =
             //       so that, in case balance retrieval is faster than FiatValEstimation, and the balance is zero, then
             //       we don't need to query the fiat value at all (micro-optimization?)
             let! balance,usdValue = FSharpUtil.AsyncExtensions.MixedParallel2 balanceJob usdValueJob
+
+            Console.Write account.Currency
+            Console.Write ' '
 
             return (account,balance,usdValue)
         }
@@ -264,6 +267,7 @@ module UserInteraction =
     let private GetAccountBalances (accounts: seq<IAccount>)
                                        : Async<array<IAccount*MaybeCached<decimal>*MaybeCached<decimal>>> =
         let accountAndBalancesToBeQueried = accounts |> Seq.map GetAccountBalanceInner
+        Console.Write "Retrieving balances... "
         Async.Parallel accountAndBalancesToBeQueried
 
     let DisplayAccountStatuses(whichAccount: WhichAccount): Async<seq<string>> =