examples; added for population
ideas
expose allowed index types
added; text index type
add desired example
added; populate support to findAndModify varients

fixes #1395
docs; aggregation does not cast arguments

closes #1399
Update CONTRIBUTING.md

describe mocha and running a specific test
fixed; regression in node 0.6
tests; verbose err msg
tests; force a different collection
test; verbose error
tests; refactor reserved name checks
fixed; use of `setMaxListeners` as path
Merge branch 'master' of github.com:LearnBoost/mongoose into 3.6.x
docs; hide internal
docs; fix geometry
docs;
docs;
docs; indexTypes