Fixes HEROES-GSFC/SAS#59
Merge pull request #70 from ayshih/master

Seg faults be gone!
Service and reader for SBC temperatures/voltages
Moving SBC info parsing from service to a separate thread
Added make install option to Makefile
Forgot to actually add code for SBC service
Output SBC temperature in telemetry packet
Merge pull request #80 from ayshih/sbc_info

SBC temperature and voltages now provided by service
Functionality to identify SAS computer
More tab cleanup
Put in MAC addresses
Saving temperature file in the specified directory
Cleaner telemetry packet construction
Packet class now starts read pointer past sync word
New approach to getting/setting SAS ID
Added default option to Makefile
Made getSAS have single behavior
Fixed MAC address matching
Fixed Packet read pointer advancement
Removed vestigal global