-Create application->switchManyWindowsBack() method
-Create equivalent to empty window enum class
-Remove stored prevWindows variables
-Add bottom bar to empty window (equivalent to allEvents)
-Repair going back to previous windows functionality
-Repair switching window (with empty events DB)
-Add EventShift value to event records time
* Timers now are Application thread safe
* Timers now have consistent API independend of Application (no more c style timers)
* Timers can have either: callback or override onTimer() method - this
way we can create more complicated timers or just use existing ones
* gui::Timer added via adapter class GuiTimer to decouple sys::Timer
with gui::Timer
* Fixed race in wrapper
* Updated docs
* fixed using std and cpp_freertos and DataReceivedHandler hidden in Application.hpp
Add all events list window.
Create calendar list view based on phonebook list view.
Create customized calendar all events model for list item provider.
Create customized calendar all events item for list view.
Radoslaw Wicik