Reduce testnet superblock frequency and increase minimum peer version

7 jobs for testnet-stability in 49 seconds (queued for 7 seconds)
Status Name Job ID Coverage
  Build
canceled Linux32-snapshot #7112
linux32

00:00:45

canceled Linux64-snapshot #7111
linux64

canceled Osx-dmg-snapshot #7115
osx

canceled Osx-snapshot #7114
osx

00:00:44

failed RaspberryPi-snapshot #7113
raspi

00:00:00

canceled Win32-snapshot #7110
windows

canceled Win64-snapshot #7109
windows

00:00:49

 
Name Stage Failure
failed
RaspberryPi-snapshot Build
Running with gitlab-runner 11.11.4 (e828d3bc)
on raspi2 f99vwHyp
Using Shell executor...
Running on Gitlab-53...
Initialized empty Git repository in /home/gitlab-runner/builds/f99vwHyp/0/crown/crown-core/.git/
Fetching changes...
Created fresh repository.
fatal: unable to access 'https://gitlab-ci-token:[MASKED]@gitlab.crownplatform.com/crown/crown-core.git/': gnutls_handshake() failed: Handshake failed
ERROR: Job failed: exit status 1