Lp 361_notification_improvements

###Critical/Error sequence:

pause, RED, <item color> x 2, pause

###Warning sequence: pause, ORANGE, <item color>, pause

###ITEM COLOR: * GPS = GREEN; * MAG = PURPLE; * CONFIG = RED; * RECEIVER = YELLOW. ###BATTERY ALARM: * warning 5x ORANGE blinks * critical 5x RED blinks ###DISARMED short white blinks

• LP-361 - Don't lose notifications when more than an alarm is active , fix time between notifications condition, cleanup

• LP-361 - Cleanup sequences to make alarms easier to understand