Bugfix: Remove FileAnnotations when multiple images are selected
Made sure that DataObjects are of same type
Fixed inactive users always getting email addressed to all
Improved status/warning message on email sending

Correctly pluralize number of messages
Sending 0 emails is a warning, not success
Fixed failed_address display to remove python formatting
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 2527 (Bugfix: Remove FileAnnotations when multiple images are selected)
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 2559 (12176 attach fsfiles (rebased onto develop))
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)