Description

As a user I want that other default branches then master are automatically detected on GitHub, GitLab and BitBucket.

Acceptance Criteria

1. Check if the Import from Git flow works fine also if the default branch is not master.
2. Check if the labels/annotation saves the correct value and the edit page shows the default branch as well.
3. Check if this works with BuildConfigs and Pipelines
4. Check if this works fine with (links to) Che and OpenShift CodeReady Workspaces