docs(*): add Troubleshooting Deis docs
Merge pull request #2359 from carmstrong/docs-add_troubleshooting_deis

docs(*): add Troubleshooting Deis docs
chore(release): update version to v0.15.1
Merge pull request #2366 from mboersma/release-0.15.1

chore(release): update version to v0.15.1
chore(release): update version in master to v0.15.1+git
Merge pull request #2367 from mboersma/release-0.15.1+git

chore(release): update version in master to v0.15.1+git