return 0 temperature if no SRS temperature data found
large number of modifications to allow adding waveforms to ROACH
load subsets of dram
add code for doing pre-prepared sweeps very quickly
hide some udp debug messages
modifications to get temperature data appropriately depending on upstairs or downstairs system
add routines for getting downstairs temperature data
add select_by_freq method to avoid indexing confusion
use built in subprocess.check_output if available, now that we're using 2.7 everywhere
add fast noise sweep scripts