Fix imports
Make script timeout configurable (See #12252)

Though this does not handle the fact that there
may not should be a hard-limit at all, but at
least makes the 1 hour limit configurable.
Fix batch selection of Projects, Datasets etc
Activate property in servant definition
Tiny html fixes to download_placeholder.html
Disable 'Download' menu item if no original files
Remove path from long/image/names
Merge pull request #2675 from sbesson/tablestest_xfail2

Also mark TestTables.testErrorInGet as xfail
Adding 'Save As PNG/TIFF' to batch Download menu
Merge pull request #2673 from joshmoore/12355-move-dir

Rename don't recreate repos on move (Fix #12355)
Remove unused import.
Add Label to scrollPane.
Remove whitespace.
Increase border size if resizable.
Update header.
Minor adjustments suggested by Mark
Adding 'Save As PNG/TIFF' to single image Download menu
Removing empty blocks from css
merge dev_5_0 -D org: PR 2563 (Update dev_5_0 submodules)
merge dev_5_0 -D org: PR 2595 (12311 auto memory)