Merge tag '0.2.13' into int/10/fp2

tagging release v0.2.13

* tag '0.2.13': (49 commits)
  update version code 2130 name 0.2.13
  update changelogs
  gitlab-ci: switch to fdroid/sdkmanager for reliable, verified operation
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Issue: FP2A10-197
Change-Id: Ie8f2d027943f9be295290252f68e74c0d0d3b0ea