Fix typo file -> files
Replace path.x to files.pathX in tests
Replace rm_recursive with a modified rimraf
Reimplement files.rename with the retry logic for Windows
Use isopack metadata to find existing builds
Factor out making latest meteor "symlink"
Factor out the symlink dance into _saveIsopack
Change path.relative to files.pathRelative
Factor out symlinking to meteor tool in selftest and tropohouse
Some reorganization of files.js
Add function to call Npm, special case for Windows

Conflicts:
	tools/meteor-npm.js
Replace process.env.HOME with files.getHomeDir()

Conflicts:
	tools/commands-cordova.js
	tools/config.js
	tools/files.js
	tools/selftest.js
	tools/warehouse.js
Corrected homeDir for Windows
Make carriage return portable

In unix we can just use '\r';
In Windows the easiest way is to print a lot of '\b';
Remove extra console.log
Throw an error when we can't build an arch

Instead of failing silently
Add installer heavily based on Stephan Darnell's
Add mongo fix
Send correct kill signal
Add 64 bit arch for Windows