ghc-unordered-containers-0.2.10.0-bp153.1.20

- Drop obsolete group attributes.

- Update Cabal file for more accurate build dependencies.

- Update unordered-containers to version 0.2.10.0.
  [#]# 0.2.10.0
  * Add `HashMap.alterF`.
  * Add `HashMap.keysSet`.
  * Make `HashMap.Strict.traverseWithKey` force the results before
    installing them in the map.

- Use https URL to refer to bugs.opensuse.org.

- Cosmetic: replace tabs with blanks, strip trailing white space,
  and update copyright headers with spec-cleaner.

- Update unordered-containers to version 0.2.9.0.
  * Add `Ord/Ord1/Ord2` instances. (Thanks, Oleg Grenrus)
  * Use `SmallArray#` instead of `Array#` for GHC versions 7.10 and above.
    (Thanks, Dmitry Ivanov)
  * Adjust for `Semigroup => Monoid` proposal implementation.
    (Thanks, Ryan Scott)
  * Fix a strictness bug in `fromListWith`.
  * Enable eager blackholing for pre-8.2 GHC versions to work around
    a runtime system bug. (Thanks, Ben Gamari)
  * Avoid sketchy reimplementation of `ST` when compiling with recent
    GHC.