Remove dependency on commons-http.
fix NPE when submitting error.
Upload zip, do not send message about original file
Fix submission of log file.

Server logs are now submitted.
Create zip when number of files is > 1.
Handle case where no server log returned.
do not log logfile ID.
Modify qa server address

This should be removed before merging.
Fix dependency.
Fix tests and re-add methods used for testing.
Enable Show Log file only if a log file exists

Annotations are no longer used, only check if log file ID
is returned.
Handle error.
merge develop -Dorg -Ssuccess-only: PR 3208 (Update the OMERO install script to test Web login with CSRF (rebased onto develop))
merge develop -Dorg -Ssuccess-only: PR 3236 (Fix 'Save to All' in Preview panel)
merge develop -Dorg -Ssuccess-only: PR 3237 (Fix web attachment error msg develop)
merge develop -Dorg -Ssuccess-only: PR 3249 (Tables set all metadata 12606)
merge develop -Dorg -Ssuccess-only: PR 3284 (Fixed: Used wrong groupId for getting ROI count)
merge develop -Dorg -Ssuccess-only: PR 3285 (Thumbnail by section)
merge develop -Dorg -Ssuccess-only: PR 3289 (CLI error report)
merge develop -Dorg -Ssuccess-only: PR 3290 (Units/Windows kludge: camelcase Pascal)