libspotify: add darwin library
install_name_tool: add expression
pyspotify: fix build on darwin

* use install_name_tool to have _spotify.so point to the correct library
pyspotify: update to latest version
portaudio: fix build on darwin

* remove alsaLib from build inputs
* add --build=x86_64 to configure flags
* add --without-oss to configure flags
* add --enable-static to configure flags
* add --enable-shared to configure flags
* add framework header files
* disable failed tests
* copy all headers on install
* build with gccApple
pyaudio: fix build on darwin

* build with '--static-link' flag
* set 'PORTAUDIO_PATH' environment variable
Merge branch 'libspotify' of git://github.com/lovek323/nixpkgs into lovek323-libspotify

Conflicts:
	pkgs/top-level/all-packages.nix
Adding a wrapper for sflphone-gnome (to find gtk3 schema files)
Updating libzrtpcpp to 2.3.4.

I think it fixes the security threats exposed in:
http://blog.azimuthsecurity.com/2013/06/attacking-crypto-phones-weaknesses-in.html
autojump: fix build on darwin

* remove install.sh shell check
Merge pull request #726 from lovek323/autojump

autojump: fix build on darwin