fix #1210
fix #1210
Merge pull request #438 from jygaulier/master-fix1210

[3.8] Master fix1210
Add File Serve Factory as a service
PR's comments adressed

Remove pragma header

Remove extra line

PR'S comments adressed

Fix CS

PR's comments adressed

Remove seless tests
Add logger
Use power of symfony binary file response

Add commands

Fix typo

Remove extra line
Explicitly set HTTP cache to public when delivering thumbnail
Rename subscriber
Revert hudson changes
Adressed neutron's comments

Add extra line

Fix issue

Optimization

Adress comments
Adress last comment
Remove typo
Revert patch
Adressed neutron's comment
Tweaks and fixes
Remove composer custom repositories
Fix unit tests