conduit.cabal: add missing test files to tarball

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
Merge pull request #143 from trofi/master

conduit.cabal: add missing test files to tarball
Version bump
Merge remote-tracking branch 'origin/master' into conduit-1.1

Conflicts:
	conduit/conduit.cabal