changed input line to Jpanel
Got the table to work nicely, with scroll pane.
format change
input textfield is working
texfield displays what was typed into it
Created a spreadsheet that implements the jtable.
It will be easier to deal with selection changes.
Merge branch 'master' of github.com:GeStanley/COMP_5541 into GUI
Use table methods to provide value, row count and column count
Some adjustments to existing classes
Interaction with table and input line is set up
Merge branch 'GUI' of https://github.com/GeStanley/COMP_5541.git into
GUI

Conflicts:
	src/ui/SpreadSheet.java
Add select method to gridmodel
Merge branch 'GUI' of github.com:GeStanley/COMP_5541 into GUI

Conflicts:
	src/ui/SpreadSheet.java
Selecting a cell displays it's formula
Merge branch 'GUI' of https://github.com/GeStanley/COMP_5541.git into
GUI
commented gui
Commented spreadsheet class
Added row numbers to the table.
Needed to create a RowTable class to do that.
made some unit tests for GridModel. Some fail.