Extended the configuration for the MEC service.

Change-Id: I35db335f3b6ec3910888481c8f2887f9376c849f
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Added a MECStatus object to exchange at the service interface. The
MECStatus has static field for the possible status for a MEC.

Change-Id: I0aca52c1ba5c2ba792fca2cc48602b31c8b8dcc5
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Extended a comment line in the ScenarioService.

Change-Id: I9d2d4024f238bbf161a7216de423cb63a657e854
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Adds a MEC RESTful service and a test. The current MECService just tries
to connect to a MEC on a given URL.

Change-Id: Ibf84b37a2190fa6d24efcbc809cf611733d1fd1c
Signed-off-by: Peter Merkert <p.merkert@sap.com>
Adds essential test if the given usertoken is valid to all RESTful
services.
It must be tested if the passed token can be valid mapped to a connected
user. Now the case is checked, that the token cannot be mapped.

Change-Id: I7ed3f7784949d56f58851793cd6e84f6ac4dba9f
Signed-off-by: Peter Merkert <p.merkert@sap.com>