docs
website; updated quick start
website; update getting started
website; update models page
docs; add collection option to schema api docs

closes #1222
Merge branch 'master' of github.com:LearnBoost/mongoose
update; driver to 1.2.0
fixed; setting virtual to object

closes #1154
add model() error types
docs
ocd
added; Schema#get
fixed utils.isObject()
refactor .model()

- throw error when user attempts overwriting a model (no longer swallowed)
- connection.model() caches models on connection only (was cached globally) #1209
- respect connection.model() creation when matching global model exists #1209
- passing model name + collection name returns subclassed model with collection
  name if pre-existing model exists

fixes #1209
make post hooks more consistent

add post validate
always pass document to post hooks
docs; add post hooks docs
docs; NOTE about db safe options
ws
add homepage to package
support mongodb connection string spec

mongoose.connect('mongodb://server,another:12345?w=majority&replicaSet=myreplset')

closes #1187