santad: Add watchdog thread to print warnings if CPU/RAM usage seem high.
santad: Add watchdog thread to print warnings if CPU/RAM usage seem high.

tburgin/santa,russellhancox/santa,russellhancox/santa,tburgin/santa,tburgin/santa,mcastilho/santa,google/santa,google/santa,mcastilho/santa,google/santa,mcastilho/santa,russellhancox/santa