Improve customization of training_setup.sh script
Protect config filename variable expansion using double quotes
Remove unnecessary casting.
merge develop -D org: PR 2127 (Working view to email announcements to selected users, groups, email addresses and/or all users)
merge develop -D org: PR 2336 (New tagging dialog)
merge develop -D org: PR 2362 (Remove .jy from script names)
merge develop -D org: PR 2391 (Imagej omero (rebased onto develop))
merge develop -D org: PR 2411 (Update develop submodules)
merge develop -D org: PR 2435 (cpp: RTypesI: use static locals in place of duplicated globals)
merge develop -D org: PR 2521 (Add 'config list' command)
merge develop -D org: PR 2529 (fix upgrade scripts for PostgreSQL 8.4 compatibility)
merge develop -D org: PR 2536 (Only enable the filepath icon if there are any filepaths to show)
merge develop -D org: PR 2550 (Avoid upscaling of bird's eye image)
merge develop -D org: PR 2560 (for-loop fix removes 'undefined' from reset dialog. See #12301)
merge develop -D org: PR 2562 (Rendering settings: Always show 'SavedBy' Panel)
merge develop -D org: PR 2564 (Top links 12326)
merge develop -D org: PR 2580 (Remove 'batch_search'. See #12347)
merge develop -D org: PR 2583 (12358 parse metadata)
merge develop -D org: PR 2612 (Add wsgi.py for OMERO.web (develop))
merge develop -D org: PR 2626 (Save line (rebased onto develop))