Fixes as per JM's suggestions & headings levels
Implementing new rules for bullet point lists
Add note about UTF-8 source code files.
merge dev_4_4 -D org -I include -E exclude: PR 245 (Add note about Java UTF-8 source in Insight.)
merge dev_4_4 -D org -I include -E exclude: PR 281 (Review Matlab documentation (see #10389))
merge dev_4_4 -D org -I include -E exclude: PR 291 (Add "Link" action to permissions table and to the Key 4)
merge dev_4_4 -D org -I include -E exclude: PR 296 (Putting OME-XML formats docs into ome-docs repo)
merge dev_4_4 -D org -I include -E exclude: PR 299 (Addressing ticket 10531 & fixing random typo)