Fix large-binary containing platform-package addition.

Adding the ios platform that contains a large binary file
got 100% CPU usage and took about an hour when unpacking
the file.

The latest NPM package has this fixed (probably in
release https://github.com/npm/npm/releases/tag/v1.4.13)

Related discussions:
https://github.com/npm/npm/issues/4738
https://github.com/npm/npm/issues/4955
Merge branch 'fix-large-binary-platform-package-addition'
Install runtime from local path
Merge pull request #92 from NativeScript/fatme/install-runtime-from-local-path

Install runtime from local path
Update platform command
Update platform command