Merge branch 'fortran_merge_sort' into 'master'

Fixing and adding unit test coverage to merge_sort indices permutation results.

See merge request !62
8 jobs from master in 15 minutes and 15 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #24846
linux
linux_gcc_testing

00:02:37

passed #24847
linux
linux_openmpi_testing

00:00:34

passed #24844
mac
mac_gcc_testing

00:01:48

passed #24845
mac
mac_llvm_testing

00:01:42

passed #24850
nsmwin10
windows_intel_shared_testing

00:08:35

passed #24848
windows
windows_mingw_testing

00:05:48

passed #24849
nsmwin10
windows_msvc_testing

00:13:37

 
  Analysis
failed #24851
linux allowed to fail
linux_analysis

00:01:36

 
Name Stage Failure
failed
linux_analysis Analysis There is an unknown failure, please try again
   Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/Build.xml
Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/Coverage.xml
Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/CoverageLog-0.xml
Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/CoverageLog-1.xml
Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/DynamicAnalysis.xml
Uploaded: /home/gitlab-runner/builds/3f7f1a15/0/jap/radix/build/Testing/20181206-1917/Test.xml
Submission successful
Errors while running CTest
ERROR: Job failed: exit status 1