Increase confidence necessary to fail startup_time

90% is way too low, that means one out of 10 patchbot startups fails. I increased it to 99.9%. Thats still not enough to raise an eyebrow in particle physics ;-)
replace http with git where useful
Merge branch pull request #2 by vbraun into develop

* pr2:
  Increase confidence necessary to fail startup_time
Merge pull request #12 into develop

* t12:
  replace http with git where useful