Update ignore rules
Add behat help
Merge pull request #380 from nlegoff/behat_yml

[3.8] Fix #1121 Add behat runner
Merge pull request #386 from nlegoff/ingore_rules

[3.8] Update ignore rules
Fix assertion
Use url generator, first pass
Use url generator, second pass
Use url generator, third pass
Use url generator, fourth pass
Update less compiler
Fix unit tests
Mount minify route as it is shared
Fix unit tests