Trailing whitespace.
Allow 'with-PROG' and 'PROG-options' in '~/.cabal/config'.

Fixes #1328.
Merge pull request #1335 from 23Skidoo/with-program-cabal-config

Allow 'with-PROG' and 'PROG-options' in '~/.cabal/config'.
Unbreak the build.
Include dist/build/autogen dir in the -I search list for c-sources.

Fixes #1351.
Don't create a default setup script in sdist '--list-sources'.

Fixes #1353.
Add a TODO.