Update to latest rebase
Merge pull request #439 from nlegoff/fix_php_detection

[3.8] Fix php detection
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