linux: Update to 3.2.46
fish: Add fish 2.0.0
audacity: minor update, prefer system-wide libs

- Using system-wide libs where we have them (except for portaudio, which
  I couldn't make work).
- Add the soxr library (now the preferred way of audio resampling).
libotr3: bump to 3.2.1
Package obfsproxy and pyptlib needed for TOR obfuscated bridges.
haskell-pipes: Add pipes 3.3.0
haskell-pipes: Add pipes-concurrency, pipes-parse and pipes-safe
Merge pull request #588 from ocharles/fish

fish: Add fish 2.0.0
Make the location of the tarballs cache configurable
Merge pull request #589 from ocharles/pipes

Add various libraries for the Haskell "pipes" ecosystem
iputils: Don't depend on both GNU TLS and OpenSSL
php: Get rid of unnecessary runtime dependencies like gettext
Adding mitmproxy