* Converted CharacteristicDeclaration implementation to class
* Added ability to get a gatt_server attribute by service UUID, characteristics UUID, descriptor UUID
[85542e0] fix test
[3748781] add ASAH sink example
[e782e29] add app
[83daa30] wip
[7f138a0] add test
[f732108] allow different address syntax
[9d0bbf8] rename deprecated methods
[eb303d5] add LE CoC support