Remove setting/clearing interrupts when printing to the LCD in the main loop
Added lab 2 files to GIT
Added matlab file for interfacing with unit (graphing data from unit and will send data to unit)
Switch to delaying in units of microseconds to simulate data from the unit
Many changes and refactoring, now it is at least stable (still some more refactoring needed)
GUI now updates in a user selectable period timer.
Changed default GUI refresh from 100ms to 200ms and min from 100ms to 150ms, now all graphs update via 'nexplot' 'replacechildren' (potentially slower), removed unused code.