- support hscolour'ing of src from haddock
- new ghc_bin_build, ghc_bin_install, ghc_lib_build, ghc_lib_install
- a couple more fallback summary tweaks
- drop the summary -s and description -d package options since rpm does not
seem to allow white\ space in macro option args anyway
- add ghc_strip_dynlinked, conditional on no debug_package
- add comments over macros
- drop unused cabal_makefile