Remove bin/ scripts.

The scripts were moved to loopback-angular-cli.

This is fixing the incomplete pull request #13.
Merge pull request #27 from strongloop/feature/fixup-cli-removal

Remove bin/ scripts
Remove mocha-as-promised.

Mocha provides native support for promises as of v1.18.
Update all dependencies to latest versions.

Also change semver range to use ^ instead of ~ and remove unused
karma modules.
package.json: remove bin scripts
Merge pull request #28 from strongloop/feature/upgrade-loopback-deps

Upgrade dependencies, clean up package.json