fix links
Remove superfluous connect object copying in index.js

The main export is a reference to Db.connect and a reference to all
other exports is attached to the the Db.connect object on startup.
Previously this was done twice
NODE-124 use a shallow copy of options in find()
Merge remote-tracking branch 'thoms/remove-superfluous-copy' into 1.4
Merge commit 'ed5d227' into 1.4
Merge pull request #1132 from vmakhaev/patch-1

fix links
Added new classes to docs generation and added examples
Added 2.6 introduction post
Force build
Updated to RC7
Fixed typo in article