Merge tag 'v2.4.4'

v2.4.4
Merge branch 'production'

v2.4.4 looked like it failed to publish, so republished as v2.4.5.
example: remove non-loopback examples

The examples aren't relevant to loopback, so remove them from the
scaffolding. They are still available as public repos in github.
Merge pull request #119 from strongloop/feature/remove-non-loopback-examples

example: remove non-loopback examples
preinstall: update peerDeps before global install

Using node as a portable scripting language, install adequate versions
of our peerDependencies globally when we are installed globally
ourselves.
Merge pull request #114 from strongloop/feature/preinstall

preinstall: update peerDeps before global install
explicitly depend on npm

In "normal" node installs, npm is globally installed, and requireable by
globally installed modules. However, not in Windows, and also not with
OS X homebrew. Change to useing an explicit dependency on npm.

Fix #110
Merge pull request #121 from strongloop/feature/depend-on-npm

Fix #110: explicitly depend on npm
Add usage to all sub-commands

- Add -h,--help option to example and strongops
- Add strongops to slc's usage
- Correct documentation link in strongops usage
Update dates on man pages
Merge pull request #122 from strongloop/feature/fix-help

Feature/fix help
v2.4.6
Merge branch 'release/2.4.6' into production