Modules: Format documentation to avoid over-long preformatted lines

Convert several preformatted code block literals that enumerate lists of
options or variables to use reST definition lists instead.  Manually
wrap other long lines in code blocks.
Help: Wrap long ctest_submit signature line
Help: Clarify formatting of CPACK_WIX_ACL documentation
Help/manual: Avoid long lines in code blocks

Update the wording of some examples to avoid long lines in code blocks.
Otherwise the formatted documentation can exceed certain column width
limitations.
Merge topic 'doc-line-lengths' into next

80b19a71 Help/manual: Avoid long lines in code blocks
4fdacedc Help: Clarify formatting of CPACK_WIX_ACL documentation
35ca4863 Help: Wrap long ctest_submit signature line
58b2d760 Modules: Format documentation to avoid over-long preformatted lines