base-compat-batteries-0.10.0: CHANGES.markdown

## Changes in 0.10.0 [2018.04.05]
 - Sync with `base-4.11`/GHC 8.4
 - This coincides with the `base-compat-0.10` release. Refer to the
   [`base-compat` changelog](https://github.com/haskell-compat/base-compat/blob/master/base-compat/CHANGES.markdown#changes-in-0100-????????)
   for details.