participants: Add check_l10n_update.py

check that l10n translation quality won't go down. Checks for translation level
and that number of languages won't decrease. Also check that l10n update is not
removing strings that are found in target package -ts-devel package.
Merge pull request #5 from henriksa/ts-check-try2

participants: Add check_l10n_update.py
Split the qareports participant to reusable module
Fix permissions due to cpio bug
fix some caching issues
be less verbose about failures
WIP enhance process
[check_l10n] add packaging and supervisor conf
[qa] split qareports code to module
[misc] misc fixes
[misc] fix name import issue
adapt to new BuildService api for expandPatterns

also simplify the processing
Merge pull request #6 from d0b3rm4n/expand-patterns-new-api

adapt to new BuildService api for expandPatterns
Some fixes, and disable tests for now
[qareports] uploader now can update reports as well