0.7.5

Core

• Make FreeRTOS run in tickless mode
• Added systemOff() to enter System Off mode
• Added suspendLoop() to disable loop() task to further save power
• Correct waitForEvent() function with SoftDevice enabled and disabled.
• Added RotaryEncoder support for both Hardware and Software Encoder.
• Ada Callback task is started along with loop task, used as worker thread to defer interrupt callback.

BLE

• Fixed Characteristic Descriptor discovery issue with ancs
• Fixed memory issue with discovery characteristic