Fix #1430 : Use strict standards, declare the method static
Fix #1422 : logfiles contain duplicates log messages
Merge pull request #603 from romainneutron/fix-1422

Fix 1422 : logfiles contain duplicates log messages
Merge pull request #601 from romainneutron/fix-1430

[3.8] Use strict standards for task::getName method
Update dependencies, fix imagine transparency issue