fixes #1732
Merge pull request #1746 from dotCMS/issue-1732-Indexation-issues-with-Multiple-File-Uploads-via-webdav

fixes #1732
fixes #1730
Merge pull request #1771 from dotCMS/issue-1730-dashboard-statistics-problem-oracle

fixes #1730
fixes #1730
Merge pull request #1772 from dotCMS/issue-1730-dashboard-statistics-problem-oracle

fixes #1730
merge from master
last changes #1684