MH-10124 removed wrong and unnecessary check if a file is distributed and added file extension again that was omitted when creating the URI
MH-10124 deleted code that was previously just commented out
MH-10138, Added New DictionaryService to Main POM

This commit adds the new alternative pass-through DictionaryService to
the alternatives profile in the main pom.xml file.

Signed-off-by: Lars Kiesow <lkiesow@uos.de>
MH-10124 Removing "mp4:" tag that causes trouble too.
MH-10124 fixed deletion of directories problem
MH-10124 added check if parent is null
Merged in t/MH-10124-delete-streaming-files (pull request #108)

MH-10124 delete files from streaming server when retracting
Merged in lkiesow/matterhorn/t/MH-10138-pom-alternatives-profile-16 (pull request #112)

MH-10138, Added Alternatives Profile to Main pom.xml (1.6)