web: declare a bunch of language pragmas

Makes the code more declarative, and makes building without cabal easier.

hledger-web/Application.hs

@@ -1,4 +1,5 @@
 {-# OPTIONS_GHC -fno-warn-orphans #-}
+{-# LANGUAGE CPP, OverloadedStrings, TemplateHaskell #-}
 module Application
     ( makeApplication
     , getApplicationDev

hledger-web/Foundation.hs

@@ -1,4 +1,4 @@
-{-# LANGUAGE TypeFamilies #-}
+{-# LANGUAGE CPP, MultiParamTypeClasses, OverloadedStrings, RecordWildCards, QuasiQuotes, TemplateHaskell, TypeFamilies #-}
 {-
 
 Define the web application's foundation, in the usual Yesod style.

hledger-web/Handler/AddForm.hs

@@ -1,4 +1,4 @@
-{-# LANGUAGE FlexibleContexts #-}
+{-# LANGUAGE FlexibleContexts, OverloadedStrings, QuasiQuotes, RecordWildCards #-}
 -- | Add form data & handler. (The layout and js are defined in
 -- Foundation so that the add form can be in the default layout for
 -- all views.)

hledger-web/Handler/Common.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP, OverloadedStrings, QuasiQuotes, RecordWildCards #-}
 -- | Common page components and rendering helpers.
 -- For global page layout, see Application.hs.
 

hledger-web/Handler/JournalR.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings, QuasiQuotes, RecordWildCards #-}
 -- | /journal handlers.
 
 module Handler.JournalR where

hledger-web/Handler/RegisterR.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings, QuasiQuotes, RecordWildCards #-}
 -- | /register handlers.
 
 module Handler.RegisterR where

hledger-web/Handler/SidebarR.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings, QuasiQuotes, RecordWildCards #-}
 -- | /sidebar
 
 module Handler.SidebarR where

hledger-web/Hledger/Web/Main.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings #-}
 {-|
 
 hledger-web - a hledger add-on providing a web interface.

hledger-web/Hledger/Web/Options.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module Hledger.Web.Options
 where
 import Prelude

hledger-web/Import.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module Import
     ( module Import
     ) where

hledger-web/Settings.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE OverloadedStrings, QuasiQuotes #-}
 -- | Settings are centralized, as much as possible, into this file. This
 -- includes database connection settings, static file locations, etc.
 -- In addition, you can configure a number of different aspects of Yesod

hledger-web/Settings/Development.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP #-}
 module Settings.Development where
 
 import Prelude

hledger-web/Settings/StaticFiles.hs

@@ -1,3 +1,4 @@
+{-# LANGUAGE TemplateHaskell #-}
 module Settings.StaticFiles where
 
 import Prelude (IO, putStrLn, (++), (>>), return)