Use set comparison rather than sorting lists

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Use set for assertion rather than sorting

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add test for the output of bin/omero fs repos

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add fail-fast option for bin/omer fs repos --check

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Add integration test for bin/omero fs set --check fail-fast

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Fix flake8 warning

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Use new error_admin_only() method in ldap.py

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Mark check argument of fs sets CLI command as admin only in the help

OME-DCO-1.1-Signed-off-by: Sebastien Besson <seb.besson@gmail.com> (github: sbesson)
Fix TestReimportArchivedFiles.

This fix makes sure we check for a string where one
is expected and fixes the declaration of a method in library.py
(missing argument).

OME-DCO-1.1-Signed-off-by: Blazej Pindelski <bpindelski@dundee.ac.uk> (github: sbesson)