Ming Rui Zhang authored Oct 25, 2019 and Andreas Traczyk committed Nov 01, 2019

- if a contact uri contains special characters, Qfile will fail,
  we instead encode it in Base64 format and retry
- change conatct added signals and slots to send profile info instead
  of directing sending uri

Change-Id: I631ea69f672d2f4912b1784828a7d5ca5393ed8f