Merge pull request #462 from rbs-maugier/master

[Fix]Register plugin assets
[UPDATE] Sitemap generator
Merge pull request #463 from renaudJennyRBS/sitemap

[UPDATE] Sitemap generator
[UPDATE] Add unit tests
Merge pull request #464 from renaudJennyRBS/sitemap

[UPDATE] Add unit tests
Add \Change\Application::getContext
Add \Change\Application injection on TransactionManager
Add new 'Rbs_Elasticsearch' Module
Add Elasticsearch Block
[REFACTOR] Web resources.
NEW add \Change\Permissions\PermissionsManager::getAllowedSectionIds
Add Elasticsearch search result
Remove Rbs_Elasticsearch_FullText mappingName property
Update \Rbs\Elasticsearch\Services\IndexManager::getClient()
Merge pull request #465 from inthause/documents

Add new 'Rbs_Elasticsearch' Module
[Refactor]Collection items clean up