can initiate truth table
initTable() works
Draws left-hand side of truth table to GUI
Fixed formatting
addColumn() works
Renamed files
Deleted unused files
Merge branch 'master' into HEAD

Conflicts:
	.classpath
Replaced unicode chars with 'T' and 'F'
Added comments
Fixed comments
Updated classpath, added libraries properly (hopefully)
Merge branch 'wffchecker-buttonpanel'

* wffchecker-buttonpanel:
  Got error text in the ButtonPanel, replaced parser error listener with VerboseListener
  Got error text in the ButtonPanel, replaced parser error listener with VerboseListener
  Minor updates to grammar, CLI, and TestButton - now with Parse Tree display on Submit
  More minor changes to ButtonPanel and TestButton, should be ready for delivery
  Made minor changes to get ButtonPanel and WffChecker playing nicely
Added an "Add Column" button and changed JLabels to JTextFields
Merge branch 'master' of ssh://github.com/PeterDrake/Logic
Merged Peter's codereview
Updated error handling, fixed wff checking
Merge branch 'master' of ssh://github.com/PeterDrake/Logic

* 'master' of ssh://github.com/PeterDrake/Logic:
  Merged Peter's codereview
  Added an "Add Column" button and changed JLabels to JTextFields