Merge pull request #19 from magarzon/dev

Dev
Merge pull request #20 from magarzon/dev

WIP
Merge pull request #21 from magarzon/dev

Added install mongodb dependencies in travis
Merge pull request #22 from magarzon/dev

Completed test to cover almost all classes
Merge pull request #24 from magarzon/dev

Changes in EnquiryController to make it a service and be able to test it...
Merge pull request #25 from magarzon/dev

Changes in travis to uninstall pre-installed version of mongo PHP extens...
Merge pull request #26 from magarzon/dev

Dev
Config reference link
Nicer presentation
Indentation
Added instructions when doctrine auto mapping is not set