Only load own tags if in read only group
Don't load owner information for empty tag list
Copyright dates
Merge pull request #2409 from joshmoore/tx-command

tx.py CLI Command
Allow for Projects and Datasets along with proper sort semantics
change naming of constants and variables
push group into effective context even if null
Support an experimenter_id of None
merge dev_5_0 -D org: PR 2187 (Server restart)
merge dev_5_0 -D org: PR 2242 (Use mklink under Windows)
merge dev_5_0 -D org: PR 2309 (Add debugging of NPE in InteractiveProcessorI)
merge dev_5_0 -D org: PR 2365 (Shared rendering settings)
merge dev_5_0 -D org: PR 2404 (Search by Image ID)
merge dev_5_0 -D org: PR 2448 (fix #12160: root-owned template paths)
merge dev_5_0 -D org: PR 2454 (OmeroCpp: Split ObjectFactoryRegistrar and remove unneeded includes)
merge dev_5_0 -D org: PR 2456 (Search image id 12151 (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 2461 (custom login logo in settings.py (rebased onto dev_5_0))
merge dev_5_0 -D org: PR 2464 (Support for using other keys for "show" functionality)
merge dev_5_0 -D org: PR 2469 (Large selection)
merge dev_5_0 -D org: PR 2473 (Bugfix: Prevent user/group deletion (rebased onto dev_5_0))