add work around for literal to char* conversion
Merge pull request #521 from psychocoderHPC/fix-StringCharWarningsInMemtest

add work around for literal to char* conversion
delete white spaces on empty lines
Merge pull request #522 from psychocoderHPC/fix-emptyLineWhiteSpaces

remove empty line white spaces
add multispecies HDF5 restart support

- rewrite how partilces are loaded from HDF5 file
- add support for arbitrary species count
- particles load now done on gpu
- remove old method
- SimulationHelper: show init time in output
add documentation, rename variables, one fix

- fix wrong usage of counter in LoadSpecies
- change copy past documentation
- add documentation