Merge pull request #1291 from Prinzhorn/master

Fixed a typo in the migration docu
fixed "psuedo" typo in Readme
tests; handle mongo 2.3.2+ err messages
Merge pull request #1298 from rened/patch-1

fixed "psuedo" typo in Readme
MongooseBuffer should cast numbers as well
fixed; docs with Buffer _ids equality
Merge branch 'master' of github.com:LearnBoost/mongoose
tests; fix buffer casting test
remove node < 0.6x shims
remove more node 0.4x thangs
Fixed incorrect annotation for SchemaNumber#min
tests; fix name
Merge pull request #1316 from bilalq/master

Fixed incorrect annotation in SchemaNumber#min
updated; driver to 1.2.11

fixes
  - cpu spikes
  - reconnection issues with primaries
Merge branch 'master' of github.com:LearnBoost/mongoose
release 3.5.5
now working on 3.5.6
website; fix source code links

closes #1272

thanks floatingLomas
docs; add ensureIndex error handling example
Update CONTRIBUTING.md