Added NLP interfacing component.
Fixed send query button signal/slot connection.
Tentative sketch of the NLP interface.
Add TODO invalid task checking
Add stubs for delete,filter, and update
Set a common out directory for the GUI
Merge pull request #83 from lowjoel/set-common-outdir

Set a common out directory for the GUI
Removed unnecessary functions
Make the controller query context publicly accessible.
Try to define CRUD
Merge pull request #84 from lowjoel/accessible-query-context

Make the controller query context publicly accessible.
Added NLP interfacing component.
Fixed send query button signal/slot connection.
Tentative sketch of the NLP interface.
Removed unnecessary functions
Fix failing test case
Added author messages.
Documentation additions
Merged conflicts and added documentation
Stub the controller class.