replace in search exclude the reference instead of the article folder

Merge pull request wadpac#1185 from wadpac/issue1184_sleeplog_timesta…

…mp_error

improved error message when sleeplog timestamp is not in expected format

rebuild gh-pages before 3.1-2 release

minor tidy up of g.report.part4, now I better understand wadpac#1142

tidy up order of changelog items in 3.0-10

add is_readxl_installed to objects to ignore/not store in config.csv …

…file

prepare GitHub-only 3.0-8 release

Update NEWS.md

auto-clean up folder that is left behind by test_appendRecords