minor code cleanup, mostly generics
fix spelling of "thumbnail"
further abbreviate "true" Boolean check
Remove emanScripts tests as no longer relevant.
Remove entry from integration suite.
Update develop submodules
Merge pull request #1378 from ximenesuk/remove-eman-tests-dev

Remove eman tests (rebased on develop)
Merge pull request #1377 from mtbc/rebased/develop/insight-tidyup

Insight tidyup (rebased onto develop)
Merge pull request #1384 from snoopycrimecop/merge/develop/submodules

Update develop submodules