Reorganize module namespace

- Remove Language.Haskell prefix from all modules
- Move 'GHCMod.*' to 'GhcMod.Exe'
- Move 'GhcModExe' to 'GhcMod.Exe'

core/GhcMod/Options/DocUtils.hs

@@ -0,0 +1,48 @@
+-- ghc-mod: Happy Haskell Hacking
+-- Copyright (C) 2015  Nikolay Yakimov <root@livid.pp.ru>
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU Affero General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU Affero General Public License for more details.
+--
+-- You should have received a copy of the GNU Affero General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+module GhcMod.Options.DocUtils (
+  ($$),
+  ($$$),
+  (<=>),
+  (<$$>),
+  (<||>)
+) where
+
+import Options.Applicative
+import Data.Monoid
+import Prelude
+
+infixl 6 <||>
+infixr 7 <$$>
+infixr 7 $$
+infixr 8 <=>
+infixr 9 $$$
+
+($$) :: (a -> b) -> a -> b
+($$) = ($)
+
+($$$) :: (a -> b) -> a -> b
+($$$) = ($)
+
+(<||>) :: Alternative a => a b -> a b -> a b
+(<||>) = (<|>)
+
+(<=>) :: Monoid m => m -> m -> m
+(<=>) = (<>)
+
+(<$$>) :: Functor f => (a -> b) -> f a -> f b
+(<$$>) = (<$>)