Fix NordicSemiconductor#84 and other small improvements

Prevent request Bluetooth permission on iOS until it is required (Nor…

…dicSemiconductor#81)

Read image list (NordicSemiconductor#66):

- Added method to read image list

Added parameters to SingleImageUpdate

Minor bugfix

Bugfixes on both platforms

New Log System and update with single image

- Direct XIP support added

-  can be passed as a parameter to .
- Upgraded dependencies.

0.1.3: Disabled Live Logs

0.1.2: Update dependancies