Temporary workaround to allow packages to be installed/uninstalled
from the Atom settings view.

Now you can just do `apm publish minor` to bump and tag a minor
release and then publish it.

Fixes #4

Set the correct MSVS environment on Win32

This displays all the linked packages in ~/.atom/dev/package
and ~/.atom/packages

Add support for runing apm under Windows

The 'bin/.xxx' could be a bash script.

On Windows scripts themselves are not executable.

Omit stdout text and only show stderr text if the command fails

This should be called when modules with native code need to be
recompiled against newer node hea...