Use a different location for the initial cache file.
Use a different location for the initial cache file.

The file was written before the nightly clients start cleaning the
build tree.

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