Mini Update - Display Unit on MainGUI Axes (#38)

* Updated DesignNotes.ppt

* Update 1
Added Zoom and Pan functionality to axesSDG (probe display) on the MainGUI with additional buttons in the GUI

* Update 1.1
Minor Zoom adjustments

* Update 1
- Revert Clear Axes update to fix probe plot refresh issue (causing other errors)
- Adjusted units to appear for subject and group data

* Mini Fix
- DisplayAxesSDG.m file sync

* Condition - Unit Problem Fix
- Fix mistake on relating ppf with conditions