Fix a signed/unsigned warning in RestartParticleL.
Use C++ style type-casts
cudaDeviceScheduleYield to cudaDeviceScheduleSpin
Fix header
Merge pull request #479 from f-schmitt-zih/fix-warningSignCompare

Fix warning sign compare
Merge pull request #482 from f-schmitt-zih/fix-deviceFlags

Fix #481 device scheduling mode
remove static from non class member functions

remove static from all functions those are not member of a storage class
remove static from non member class functions
remove static from non member class functions
Merge pull request #484 from psychocoderHPC/topic-removeStatic

close #483 remove static from non storage class functions