Merge branch 'PersistantStorage' of git://github.com/geekbozu/InfiniTime into geekbozu-PersistantStorage

# Conflicts:
#	src/systemtask/SystemTask.cpp

src/systemtask/SystemTask.cpp

@@ -376,6 +376,7 @@ void SystemTask::Work() {
     monitor.Process();
     uint32_t systick_counter = nrf_rtc_counter_get(portNRF_RTC_REG);
     dateTimeController.UpdateTime(systick_counter);
+    NoInit_BackUpTime = dateTimeController.CurrentDateTime();
     if (!nrf_gpio_pin_read(PinMap::Button))
       watchdog.Kick();
   }

src/systemtask/SystemTask.h

@@ -33,6 +33,7 @@
 #include "drivers/Watchdog.h"
 #include "Messages.h"
 
+extern std::chrono::time_point<std::chrono::system_clock, std::chrono::nanoseconds> NoInit_BackUpTime;
 namespace Pinetime {
   namespace Drivers {
     class Cst816S;