* log params when calculable
* better
* Update ref_commit
* this is redundant
* this is only used in one place, confusing which to use so remove
* better
* remove separate previous route carparams from each daemon and add centrally to controlsd
* extract out sigint handler
* make process replay work for torqued
* don't write param if None
Shane Smiskol
Adeeb Shihadeh
Jason Wen
Vivek Aithal