Resolve #3383 - Regular division for memory calculation (#3387)
Resolve #3383 - Regular division for memory calculation (#3387)

* Resolve #3383

This commit attempts to solve the problem of making LSF to  "-R
 select[mem > 0] rusage[mem=0]" as well as the problem of overloading the behaviour of the --doubleMem parameters

* Resolve #3383 - regular division for memory calculation
BD2KGenomics/slugflow,BD2KGenomics/slugflow