Used stable constraint for mink
Fixed command calls
Added post update script
Added cache clear script handler
Updated installation instructions
Merge pull request #443 from stefk/cache-clear

Adding post update and cache clear scripts
Moved assets install back to composer.json
Removed refresh command from update procedure
Updated bundle recorder version
Merge pull request #445 from stefk/bundle-recorder-update

Updated bundle recorder version
Update composer.dist.json
Fixed raw install script (closes claroline/CoreBundle#370)
Updated core and web installer versions
Merge remote-tracking branch 'upstream/master'
Fixed cache-ttl value type
Adding maintenance file in the .gitignore file
Merge pull request #446 from maxailloud/add_maintenance_file_in_gitignore

Adding maintenance file in the .gitignore file
Documentation update
Merge remote-tracking branch 'upstream/master'
Merge pull request #449 from solispauwels/master

Documentation update