Adding normalization to osx32, osx64, win32, and win64.

Work to support changes in https://github.com/mllrsohn/node-webkit-builder/pull/117
Merge pull request #3 from danthewolfe/master

Adding normalization to osx32, osx64, win32, and win64.
Merge branch 'master' of https://github.com/adam-lynch/platform-overrides into 64-bit
Architecture-agnostic platforms, etc. Work in progress
Architecture-agnostic platforms, etc. Work in progress
Architecture-agnostic platforms, etc. Work in progress
Architecture-agnostic platforms & better support for 64-bit
Merge remote-tracking branch 'origin/64-bit' into 64-bit

Conflicts:
	README.md
	index.coffee
	test/fixtures/autodetectingArchitecture/package.json
	test/index.coffee
Fix for architecture detection on Windows
Merge pull request #4 from adam-lynch/64-bit

64-bit and architecture-agnostic platform support