added readme
added postgresql driver dependency
Added the evolution for device and reading models
Added model classes
Added models and modified index page to add/show device types
Added device types and device forms and their listing
Added select box for selecting device type
Added device uuids and manufacturing date to Device model
added device readings
Fixed the adding readings handling by marking the request implicit
updated for the new play version
migrated from anorm to slick ORM
work in progress
fixed queries using === instead of ==
fully working version with slick ORM
modified device identification to be MAC address rather than UUID
improved the json handling code
added foreign-key to reading
modified database info
added readme