#724 Fix debug_logging option on the provider
Clean filtered objects if the entire batch was filtered away, to prevent memory allocation issue.
Update custom-repositories.md to use code highlighting

Looks better this way
Updated installation instructions
Merge pull request #750 from javiereguiluz/update_installation_instructions

Updated installation instructions
Merge pull request #737 from jaymecd/clean_filtered

Doctrine provider: memory allocation caused by "entire batch was filtered away"
Merge pull request #743 from KingCrunch/patch-1

Update custom-repositories.md to use code highlighting
Merge branch '3.0.x'
Merge branch 'master' of github.com:FriendsOfSymfony/FOSElasticaBundle