directory 1.2.1.0
* Bundled with GHC 7.8.1
* Add support for sub-second precision in `getModificationTime` when
linked against `unix>=2.6.0.0`
* Fix `createDirectoryIfMissing _ "."` in `C:\` on Windows
* Remove support for NHC98 compiler
* Update package to `cabal-version >= 1.10` format
* Enhance Haddock documentation for `doesDirectoryExist` and
`canonicalizePath`
* Fix `findExecutable` to check that file permissions indicate executable
* New convenience functions `findFiles` and `findFilesWith`