By arjenk: Upgraded video-js to version 4.2.1.
By arjenk: Unittests will use default transcode profile.

Unittests did use a hardcoded profile id, now changed to the default
transcode profile id from the installation setup. This fixes MySQL
setups with other autoincrement values.
By rblanker: Changed @return value to correct returned class type.
By rblanker: Extended the storage size of the mediafile file extension field.
By rblanker: Fixed problem with mimetype detection when file did not exists.
By rblanker: Fixed file extension extraction when more than one dot is present in filename.
By rblanker: md5file no longer generates a error when file does not exists.
Version 3.5.x-RC2 build 2059.
By rblanker: Updated SDK and CK submodules, use git submodule update.
By rblanker: Fixing merging code for stills during upgrade path. Also fixed problem when adding new filename field to job table.
Version 3.5.x-RC2 build 2060.
By arjenk: Upgraded video-js to version 4.3.0.
Version 3.5.x-RC2 build 2061.
Merge branch 'arjenk-master'