Removed unused imports
Corrected formatting
Testing jautodoc with ProgrammeCache
Added checkstyle configuration file checkstyle.xml
Working on silencing checkstyle
Disable more checkstyle modules
Disable one more checkstyle check
Add initial test for Main class
Maybe that first test works now ;-)
Try not to trigger a system.exit() in the main class from a unit test
Commented out unimplemented unit tests
It seems GTST sometime gets only one rating
Improvements in url fetch retry mechanism

- Implement exponential back-off for URL fetch retries
- Use back-off mechanism also for RTL EPG source