Fix "Add silence" causing occasional WV failures
Added error.php
Merge pull request #1431 from kaltura/IX-9.19.0-Redirect-403-to-404

Added error.php
check if endTime is null before comparison
Merge pull request #1437 from kaltura/IX-9.19.0-SUP-2513-hot-fix

check if endTime is null before comparison
in captions - have -1 as a special segmentIndex for the entire VTT file

SUP-2206 #time 0.5h
if resumeAt smaller than file size , check actual size

SUP-2531 #time 5h
use existing file descriptors for validations
open source file in case no error
Added mising event type OBJECT_READY_FOR_INDEX
Merge pull request #1456 from kaltura/IX-9.19.0-EventNotificationEventType

Added mising event type OBJECT_READY_FOR_INDEX
Merge pull request #1443 from kaltura/IX-9.19.0-SUP-2206

in captions - have -1 as a special segmentIndex for the entire VTT file
Merge pull request #1444 from kaltura/IX-9.19.0-SUP-2391

if resumeAt smaller than file size , check actual size
fix getCommonPrefix and getCommonPostfix to handle a single string
Merge pull request #1476 from kaltura/IX-9.19.0-getCommonPrefix

fix getCommonPrefix and getCommonPostfix to handle a single string
Delete exported content only when the last one finished exporting
handle esported asset local file delete in convertProfile finish as well
Remote storage delete policy and replacement flow fix
Fix thumbnail capture failing on short videos
Fix thumb create for short duration videos