script: sign off release commits made by mpub
doc: refresh release creation steps for 5.7.0
doc: fix Sphinx roles missing their leading colon
Release of version 5.7.0
script: ignore icdiff exit status in mrel
Restore dependent reload list when an evaluation is rolled back
install/script: fix warnings reported by ShellCheck 0.11
doc: fix NEWS placement and cookbook example of purge requirement