Update version numbers to avoid confusion
Make further changes suggested by Helen.
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 274 (Add information about default include/exclude filters for scc merge)
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 282 (Add mount-point suggestion from Douglas Russell (Fix #9801))
merge dev_4_4 -D org -I include -E exclude: PR 285 (Trivial improvement of developers' testing page.)