* Initial work to support rackless devices
* Updated device component connection forms
* Updated IP address assignment form
* Updated circuit termination form
* Formatting cleanup
* Fixed tests
* Initial work on rack reservations
* Added views for rack reservations
* Implemented ArrayFieldSelectMultiple form widget
* Implemented API endpoints for rack reservations
* Tweaked the database migration
* Rudimentary python3 support
* update docs and trigger Travis
* fix some of the tests
* fix all python3 errors
* change env calls to just python
* add @python_2_unicode_compatible decorator to models for python2 compatibility
* switch netbox.configuration to from netbox import configuration