Merge pull request #1407 from snoopycrimecop/merge/develop/submodules

Update develop submodules
Merge pull request #1401 from joshmoore/11378-closeable-servant

Remove ERROR log on non-CloseableServant (Fix #11378)
Merge pull request #1405 from mtbc/rebased/develop/insight-tidyup

minor Insight code cleanup (rebased onto develop)
Expose file annotation namespace in OMERO.insight
Expose file annotation namespace in OMERO.web
Modify empty/null namespace check as suggested by Jean-Marie
comment separator was in wrong place
Enforce 'name/desc cannot be None' as reported by @sbesson
also check for empty name text
Properly handle uid for orphan search
rename importjson to load for consistency
eclipse: 1.6 is the minimum supported java version
build: 1.6 is the minimum supported java version
server: make_data: 1.6 is the minimum supported java version
insight: 1.6 is the minimum supported java version
merge develop -D org -I include -E exclude: PR 1324 (Jython scripts (See #918))
merge develop -D org -I include -E exclude: PR 1359 (testGetTile() checks against getPlane(). See #11315)
merge develop -D org -I include -E exclude: PR 1385 (Update the OMERO VirtualBox image)
merge develop -D org -I include -E exclude: PR 1389 (Add tag CLI plugin work (gs-985))
merge develop -D org -I include -E exclude: PR 1399 (Fix checksum unit tests on dev_4_4 (see #11381) (rebased onto develop))