Made minor changes to get ButtonPanel and WffChecker playing nicely
More minor changes to ButtonPanel and TestButton, should be ready for delivery
Minor updates to grammar, CLI, and TestButton - now with Parse Tree display on Submit
Deleted unused files
Merge branch 'master' into HEAD

Conflicts:
	.classpath
Got error text in the ButtonPanel, replaced parser error listener with VerboseListener
Got error text in the ButtonPanel, replaced parser error listener with VerboseListener
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
changed the arrangement of buttons and added prime and space buttons
changed the look of the space symbol
Added an "Add Column" button and changed JLabels to JTextFields
Merge branch 'master' of ssh://github.com/PeterDrake/Logic
added TruthTableChecker.java class
Merged Peter's codereview
Updated error handling, fixed wff checking
fixed the space bar adding the last character clicked