Add default host and port to MongoConnection __init__
Added the source txmongo path in examples. Easier to check out the module without having to install it.
Merge pull request #64 from virajkanwade/exampleslocalpath

Added the source txmongo path in examples. Easier to check out the modul...
Merge pull request #63 from virajkanwade/defaulthostport

Add default host and port to MongoConnection __init__