Add examples for local and remote tarballs, and remote repos

...sts/IntegrationTests2/targets/local-tarball/cabal.project

...ests/IntegrationTests2/targets/local-tarball/p-0.1.tar.gz

...tall/tests/IntegrationTests2/targets/local-tarball/p/P.hs

...l/tests/IntegrationTests2/targets/local-tarball/p/p.cabal

...tall/tests/IntegrationTests2/targets/local-tarball/q/Q.hs

...l/tests/IntegrationTests2/targets/local-tarball/q/q.cabal

...ests/IntegrationTests2/targets/remote-repos/cabal.project

...stall/tests/IntegrationTests2/targets/remote-repos/p/P.hs

...ll/tests/IntegrationTests2/targets/remote-repos/p/p.cabal

...ts/IntegrationTests2/targets/remote-tarball/cabal.project

...all/tests/IntegrationTests2/targets/remote-tarball/p/P.hs

.../tests/IntegrationTests2/targets/remote-tarball/p/p.cabal

...all/tests/IntegrationTests2/targets/remote-tarball/q/Q.hs

.../tests/IntegrationTests2/targets/remote-tarball/q/q.cabal