OS X: Environment variables for PKG_CONFIG_PATH and FONTCONFIG_PATH
Merge branch 'release-0.1' of github.com:JuliaLang/julia into release-0.1
Add packaging links to CONTRIBUTING.md.

Conflicts:
	CONTRIBUTING.md
Add packages section to manual.
fix #2710
Fix markdown link syntax
Conflicts:
	doc/manual/packages.rst
fix #2693, inconsistency in how TypeConstructor-valued arguments get cached

Conflicts:
	src/cgutils.cpp
probably fix #3055
fix #3091
due to an obscure failure of type intersection to match a method

Conflicts:
	base/inference.jl
fix #3123, inference on too many arguments in type application
hopefully fix #2607, inference nesting types forever on DataArray

Conflicts:
	base/inference.jl
fix #2619
it was hard to write a test for this!

Conflicts:
	test/core.jl
port some fixes to 0.1
Use new PPA for release-0.1
Don't need lighttpd anymore
We don't package from Travis, so don't need to move the julia2 folder back anymore
Don't build 64-bit interfaces to BLAS libraries
Merge pull request #3326 from staticfloat/release-0.1

Clean up .travis.yml for release-0.1 branch
Update pkg.jl

* Makes it so it's actually possible to have a ~/.julia/v0.1 directory
  for julia 0.1 (I guess no one actually uses this...)
Merge pull request #3610 from kmsquire/release-0.1_pkg

Update pkg.jl