haskell-Graphalyze: add version 0.14.1.0
Add SourceGraph: Haskell code analysis tool
haskell-xml-conduit-writer: add version 0.1.1.1
Merge pull request #3520 from pavelkogan/SourceGraph

new packages: SourceGraph + dependency
Merge pull request #3521 from pavelkogan/haskell-xml-conduit-writer

haskell-xml-conduit-writer: add version 0.1.1.1
ucspi-tcp: new package

ucspi-tcp is command-line tools for building TCP client-server
applications.

http://cr.yp.to/ucspi-tcp.html
Many minor fixes to get things building after recent compiler changes
libusb1: build using clangStdenv
libusb1: build using clangStdenv ... on darwin