Cleanup pass through the relnotes file: - Reword a few entries for consistency throughout the document. - Remove the 'role="arm"' from the arm-specific section, as it   is redundant. - s/&man.geom.4;/GEOM/ in a title, because it looks ridiculous.
Cleanup pass through the relnotes file:
- Reword a few entries for consistency throughout the document.
- Remove the 'role="arm"' from the arm-specific section, as it
  is redundant.
- s/&man.geom.4;/GEOM/ in a title, because it looks ridiculous.

Approved by:	re (implicit)
Sponsored by:	The FreeBSD Foundation

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase