Bump to 1.1.2.0 and add changelog

The minor version bump is performed `haskell2010` now leaks the new
`Bits Bool` instance from `base-4.7.0.0`.

Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>

changelog.md

+# Changelog for [`haskell2010` package](http://hackage.haskell.org/package/haskell2010)
+
+## 1.1.2.0  *Mar 2014*
+
+  - Bundled with GHC 7.8.1
+
+  - Leaks new `Bits Bool` instance (deviation from H2010)
+
+  - Remove NHC98-specific code
+
+  - Adapt to changes in GHC 7.8's core-libaries
+
+  - Update to Cabal format 1.10

haskell2010.cabal

 name:           haskell2010
-version:        1.1.1.1
+version:        1.1.2.0
 -- GHC 7.6.1 released with 1.1.1.0
 license:        BSD3
 license-file:   LICENSE
@@ -14,6 +14,9 @@ description:
     This package provides exactly the library modules defined by
     the <http://www.haskell.org/onlinereport/haskell2010/ Haskell 2010 standard>.
 
+extra-source-files:
+    changelog.md
+
 source-repository head
     type:     git
     location: http://git.haskell.org/packages/haskell2010.git
@@ -21,7 +24,7 @@ source-repository head
 source-repository this
     type:     git
     location: http://git.haskell.org/packages/haskell2010.git
-    tag:      haskell2010-1.1.1.1-release
+    tag:      haskell2010-1.1.2.0-release
 
 Library
     default-language: Haskell2010