Resolve error when adding asset resource to image entry
Merge pull request #1275 from kaltura/IX-9.17.0-PLAT-1411

Resolve error when adding asset resource to image entry
#PLAT-1368 #time 1h #comment removed "enableLanguageMenu" system flip
add validations on vid_slices
Merge pull request #1278 from kaltura/IX-9.17.0-validate-vid-slices

add validations on vid_slices
Code review updates
#PLAT-1406 #time 1h #comment verify $playlist_uiconf_list exists and is array with at least 1 item before trying to access its 0 indexed item
Merge remote-tracking branch 'origin/IX-9.17.0' into IX-9.17.0
$configurations should be returned even if it's null
Merge pull request #1279 from kaltura/IX-9.17.0-live-compat-check

$configurations should be returned even if it's null
#FEC-1454 #time 2h #comment get studio UIConf according to the base.ini studio version (get the UIConf that has a tag like "HTML5Studio_" + version)
Reverted KCurlWrapper::getContent()
Replaced extraData with feed helper concrete vars
Fixed the m3u8 playManifest url
Merge remote-tracking branch 'origin/IX-9.17.0' into IX-9.17.0-PLAT-1352-tvinci-phase1