Fix handling paths with white-spaces
Fix handling paths with white-spaces

* when starting the script by double-clicking it, the variables $appname
* and $binpath were empty. The $0 argument needs extra quote signs.

rfloca/MITK,RabadanLab/MITKats,rfloca/MITK,nocnokneo/MITK,danielknorr/MITK,NifTK/MITK,iwegner/MITK,fmilano/mitk,lsanzdiaz/MITK-BiiG,MITK/MITK,RabadanLab/MITKats,lsanzdiaz/MITK-BiiG,nocnokneo/MITK,MITK/MITK,fmilano/mitk,lsanzdiaz/MITK-BiiG,lsanzdiaz/MITK-BiiG,lsanzdiaz/MITK-BiiG,lsanzdiaz/MITK-BiiG,rfloca/MITK,RabadanLab/MITKats,lsanzdiaz/MITK-BiiG,danielknorr/MITK,NifTK/MITK,fmilano/mitk,iwegner/MITK,nocnokneo/MITK,NifTK/MITK,rfloca/MITK,danielknorr/MITK,nocnokneo/MITK,nocnokneo/MITK,NifTK/MITK,fmilano/mitk,RabadanLab/MITKats,fmilano/mitk,nocnokneo/MITK,iwegner/MITK,fmilano/mitk,iwegner/MITK,fmilano/mitk,RabadanLab/MITKats,RabadanLab/MITKats,rfloca/MITK,nocnokneo/MITK,MITK/MITK,iwegner/MITK,MITK/MITK,rfloca/MITK,danielknorr/MITK,danielknorr/MITK,MITK/MITK,NifTK/MITK,MITK/MITK,danielknorr/MITK,NifTK/MITK,iwegner/MITK,lsanzdiaz/MITK-BiiG,danielknorr/MITK,rfloca/MITK