Added .gitkeep and made cli args always strings.  Also fixed bug w/ sails new.
Upgraded fs-extra dep.  Added support for automatically building directories down to generatd file in CLI.
Added support for the jade template engine.

A sails app can be started with the following command:
sails new jadeapp --template=jade
Replaced waterline-* adapter module names with sails-* equivalents.
Understand array for custom action policy

from now on, it is possible to use array notation for custom actions.

```js
{
    user: {
        findAll: ['foo', 'bar']
    }
}
```
Cleanup.
Removed rigging from deps.
Updated tags.
Use policies as a filterChain

For every policy, the `next` callback calls next policy in row and is
called back when finished.

```js
// config/policies.js
{
    user: {
        findAll: ["foo", "bar"]
    }
}
```

```js
// api/policied/foo.js
module.exports = function(req, res, next) {
    console.log('Enter foo');
    next();
    console.log('leave foo');
}
```

```js
// api/policied/bar.js
module.exports = function(req, res, next) {
    console.log('Enter bar');
    next();
    console.log('leave bar');
}
```

Calling `findAll` action would result in the following:

    Enter foo
    Enter bar
    Leave bar
    Leave foo
Better error checking in sails lift CLI.
Backwards compatibility with waterline-* adapters.
backwards compat for waterline dirty
Completed version compat.
Deprectated warning has more direct action recommendation.
Removed identity from adapter blueprint (this gets automatically included by loader)
Commented out stuff that @techpines will be working on to avoid exposing any public APIs accidentally.
Added more adapter blueprints.
Stub support for simple streams.
Completed 0.8.82 backwards compat by recognizing old module names within model defs.
Stream core functionality complete-- now just needs adapter implementations.