Integrating images into search
Updated for real life
add image optimization
add comments
Merge pull request #78 from sulu-cmf/feature/image-optimization

[FEATURE] add image optimization
fixed #61 - if array of ids is empty return empty array of medias
added phpunit.xml to gitignore
fixed #52 - avoid empty request
fixed sulu-cmf/sulu-standard#244 - wrong url by creating new collection in overlay
Merge branch 'develop' of git://github.com/sulu-cmf/SuluMediaBundle into feature/integrate-into-search
cleaned code
updated dependencies
Merge branch 'feature/integrate-into-search' into develop
Made the Search depdency optional

- Search integration must be explicitly enabled via
  `sulu.search.enabled` config key
Merge branch 'bugfix/media-selection' into develop
Merge branch 'hotfix/enable_disable_search_integration' into develop
Merge branch 'develop'

Conflicts:
	composer.json