Separate configuration files for different environments (checking, generating, using)
Using placeholders for baseURLs in source code and tests
Remove obsolete TODO
Protocol part is optional in API URLs
Fix test URLs
- remove http: before placeholders;
- add slash after placeholders;
- preprocess environment config URLs to remove slash if it's there;
- replace leftover URLs.
Return back original image that was accidentally broken
No slashes on the end
Add "/dev" suffix after removing slash and not before
Add some tests for Echo.API + conversion to new format
Merge branch 'lizard/source-placeholders' into rc3.0.11