Stub the controller class.
Merge pull request #86 from lowjoel/stub-controller

Stub the controller class.
Added NLP interfacing component.
Fixed send query button signal/slot connection.
Tentative sketch of the NLP interface.
Removed unnecessary functions
Added NLP interfacing component.
Fixed send query button signal/slot connection.
Tentative sketch of the NLP interface.
Removed unnecessary functions
Added author messages.
Documentation additions
Added project ref
Merged conflicts