config: Silence more warnings on osx 10.7
darwin: Tell python to use 32bit version when targetting 32bit

Amongst other things fixes importing i386 .so from python (needed
for gobject-introspection)
gi: fix listing of .gir and .typelib files

Handle correctly architecture in path for universal build
and include .typelib files in the runtime package and
.gir files in the devel package
gobject-introspection: Various fixes

Switch to using tarballs
Dist more files correctly
platform: arch linux support

* change shebang to python2
* use gcc-multilib on arch64, gcc on arch32
* x86_64 and os detection for arch with lsb_release and uname
arch linux: support gtk and glib recipies
Arch: custom LDFLAGS for libkate
build gobject-introspection with python2
use full path for python env in linux, since shebangs are created
fix cairo build with gcc 4.9