Fix a few bugs and enhance handling of a few errors.
- #c2599ca: Update coreos/dex TP. Also closes #15
- #1aaadda: Fix typo in error checking
- #5529392: Revert default code version
- #c73a6d9: Add more log on error
- #6814dd7: Test new color for grpc service names
- #660d01e: Fix migration corner case for fresh installs
- #522db2a: Fix failing test
- #f9fd16c: Fix init issue on empty DB, makes linter happy
- #de1e705: Enhance comments and error handling, add tests.
- #e0b7754: Add comments, enhance error messages to ease error solving.
- #701b0f4: Make linter happy
- #413e66d: Merge frontend changelog
- #e2de68a: Fix aws-sdk-php to last working version