Make ansi-terminal an unconditional dependency

It was broken in the recent versions anyway.

If there's demand this can be introduced, but it'd be important to add CI
testing of the no-colors compilation mode.
Release 0.8.0.2
Add support for QuickCheck 2.7
Merge pull request #60 from exlevan/master

Add support for QuickCheck 2.7
Release tasty-quickcheck-0.8.0.3
tasty.cabal: remove the old 'colors' flag description
Release 0.8.0.4
Correct double-star pattern interpretation

Fixes #62
Derive Show instances for patterns
Update tests for double-star patterns
Re-export Gen from Tasty.QuickCheck
Release tasty-quickcheck 0.8.1
Enable FlexibleContexts (#68)
Release 0.8.1.1
Improvements in packages' metadata.

- Fixed some consistency problems (added missing references to the website).
- Added longer description on tasty package.
Merge pull request #69 from rudymatela/master

Improvements in packages' metadata.