Fixed missing support for .mp3 files in sox
MH-10180: Cleaning up the mess in the CA tests.  One folder and two files are still intermittently created in /tmp, but I can't track down where or how.
MH-10181 -- Removed duplicate jersey dependency
MH-10161 -- Referencing an already built version of the distribution service

The fix is not the nicest one, but none of the three alternatives (mocking the distribution service, copying the distribution service code to the authorization module, adding the distribution service to the admin profile) were any better than this.
MH-10180: This fixes the rest of the tests to avoid the system temp directory.
MH-10139 -- Add alter table command to MySQL upgrade script
MH-10139 -- Change type of field payload in table mh_job from TEXT to MEDIUMTEXT
MH-10139 -- Extend payload field length

New length of 16.777.215 is equal to length of MySQL MEDIUMTEXT field type
MH-10075 -- Improve handling of DC XML string

Removes control characters to prevent parsing error
MH-10190:  Fixes the warning, was caused by the REST scheduler scanning for REST endpoints on a bundle with none defined.
MH-10192: Adds a second mirror at ETH for all 3rd party tools.
MH-10192: Forgot to export the new mirror variable.
MH-10018 -- Added workspace cleanup operation
Merge branch 'r/1.5.0' into t/MH-10018-workspace-cleanup

Conflicts:
	modules/matterhorn-common/src/main/java/org/opencastproject/util/FileSupport.java
MH-10201, check Ubuntu version and use libgmp10 if >=13.04
MH-10200, apply patch for libsdl-1.2.x that checks for other definitions of XData32
MH-9490, apply patch that adds the unistd.h for missing prototypes.
Merge remote-tracking branch 'upstream/t/MH-10103-add-sox-3rd-party-tools' into t/MH-10192-3rd-party-mirrors
MH-10192: Adding new mirror for Sox mp3 support from upstream.
MH-10190: Removing remaining JAXB stuff from remote scheduler.