Merge pull request #89 from cpinte/nucleation #162

Job	Run time
build+test (linux, gfortran, openmp=yes, release=yes)	4m 49s
build+test (linux, gfortran, openmp=yes, release=no)	4m 39s
build+test (linux, gfortran, openmp=no, release=yes)	8m 28s
build+test (linux, gfortran, openmp=no, release=no)	8m 15s
build+test (linux, ifort, openmp=yes, release=yes)	12m 5s
build+test (linux, ifort, openmp=yes, release=no)	7m 34s
build+test (linux, ifort, openmp=no, release=yes)	14m 57s
build+test (linux, ifort, openmp=no, release=no)	11m 57s
build+test (macos, gfortran, openmp=yes, release=yes)	6m 33s
build+test (macos, gfortran, openmp=yes, release=no)	6m 3s
build+test (macos, gfortran, openmp=no, release=yes)	16m 21s
build+test (macos, gfortran, openmp=no, release=no)	15m 20s
build+test (macos, ifort, openmp=yes, release=yes)	12m 2s
build+test (macos, ifort, openmp=yes, release=no)	8m 49s
build+test (macos, ifort, openmp=no, release=yes)	22m 37s
build+test (macos, ifort, openmp=no, release=no)	13m 57s
benchmark (gfortran)	5m 6s
benchmark (ifort)	3m 28s
release	0s
	3h 3m 0s

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