Adding headers
iterating toward working
not quite there yet
yup
Another attempt
committing so i can change branches
Successfully reading temperature from mpl3115a2.  Need to go over data sheet and get air pressure stuff working next
Now both pressure and temp work
changing branches
Started working on ip stack (barely).  Pressure sensor and temp sensor working.
Working toward working network
Pull pressure sensor information
Added user interaction thread to si_fc.