Added specs for updateAttributes, and fixed a small createdAt bug.
Merge branch 'master' into updateAttributes-spec

Conflicts:
	spec/dao-factory.spec.js
Updated for the new tests.
Whoops, reversed the logic tests should pass now.
Made sure updatedAt was being updated when we setAttributes.
Merge branch 'master' of github.com:sequelize/sequelize
For MySQL users, if their collation allows case insensitivity then allow enums to be case insensitive as well. Closes #627
Since pgsql and nodejs are both async, we'll need to add a delta to expected times when setting the updatedAt.
Added dirty tracking
Added helper method for checking change (incl. Date and empty values), fixed some small stuff and added more tests
Renamed areChanged to didChange and added support for underscore in setter
Removed .only from tests.
Merge branch 'master' of github.com:sequelize/sequelize
Merge branch 'dirty-tracking' of https://github.com/mstorgaard/sequelize into mstorgaard-dirty-tracking
renamed didChange to hasChanged
Merge branch 'mstorgaard-dirty-tracking'
isDirty
Non pooling connections will no longer leak.
Merge pull request #804 from durango/postgres-no-pool

Non pooling connections will no longer leak.
Merge branch 'master' of github.com:sequelize/sequelize