Made access to spotterProgress synchronized

Change-Id: Ica9a6874a51ed499c5513a206fb0c5eb203515e7
Signed-off-by: Alexander Wert <alexander.wert@sap.com>
creating release version 1.0.0

Change-Id: Ic637d213e47934968364c34d1cce22218192005b
Signed-off-by: Alexander Wert <alexander.wert@sap.com>
Merge pull request #108 from AlexanderWert/master

release version 1.0.0