Add KS validation on ingested XML via drop folder
1. Add new configuration fields in XML drop folder the enable KS
validation.
2. If KS validation enabled enforce KS user and expiry validation in
ingestion process.
Enable delivery status.
Merge pull request #1796 from kaltura/IX-9.19.5-enable-dp-status

Enable delivery status.
fix xml format
Merge pull request #1798 from kaltura/IX-9.19.6_CR-179513

fix xml format
update bulkupload job to almost done when conversion needed
add directory seperator
Merge pull request #1800 from kaltura/IX-9.19.6_CR-179513

add directory seperator
Changes after review
1. Add ability to override KS validation when providing Admin KS in the
ingestion XML.
2. If no user is located inside the item element and the session type is
user, take the user from the KS instead of failing the item upload.
Merge pull request #1792 from kaltura/IX-9.19.6-PLAT-1978

Add KS validation on ingested XML via drop folder
Add missing plugin to template ini file
Merge pull request #1802 from kaltura/IX-9.19.6-updatePluginsFile

Add missing plugin to template ini file
fixed doccomment

should be /** not /*
Merge pull request #1803 from kaltura/IX-9.19.6-fix-doccomment

fixed doccomment
updating release notes
updating release notes description
updating release notes description fix
Merge pull request #1804 from kaltura/IX-9.19.6-SUP-2935

updating release notes
Merge pull request #1799 from kaltura/IX-9.19.6-PLAT-934

update bulkupload job to almost done when conversion needed
update release notes PLAT-1978